X (The letter) X-Men (Game) X-ray lithography BT Alphabet [GV1469.35.X25] BT Lithography X-1 (Bell supersonic plane) BT Video games X-rays—Industrial applications USE Bell X-1 (Supersonic plane) X-Men versus Street Fighter (Game) X-ray microanalysis X-15 (Rocket aircraft) (Not Subd Geog) USE X-Men vs. Street Fighter (Game) BT Microprobe analysis UF North American X-15 (Rocket aircraft) X-Men vs. Street Fighter (Game) X-ray microscope BT Astronautics [GV1469.35.X] USE X-ray microscopes Manned space flight UF X-Men versus Street Fighter (Game) X-ray microscopes (May Subd Geog) North American airplanes (Military aircraft) BT Video games [QH212.X2] Rocket planes X Network Filing System (Computer network protocol) UF X-ray microscope [Former heading] Winged spacecraft UF XNFS (Computer network protocol) BT Microscopes — Sounds BT Computer network protocols X-ray microscopy (May Subd Geog) BT Sounds X-rated movie theaters [QH212.X2] Space flight sounds USE Adult movie theaters BT Microscopy X-17 (Ballistic missile) (Not Subd Geog) X-ray absorptiometry, Dual-energy X-ray mutagenesis UF Lockheed X-17 (Ballistic missile) USE Dual-energy X-ray absorptiometry BT Mutagenesis BT Ballistic missiles X-ray absorption fine structure, Extended Radiogenetics X-20 (Space glider) (Not Subd Geog) USE Extended X-ray absorption fine structure X-ray optics UF Dyna-Soar (Space glider) X-ray absorption near edge structure [TA1775] BT Reusable space vehicles UF Near edge structure, X-ray absorption UF Roentgen optics X-22 (VTOL airplane) (Not Subd Geog) Near edge X-ray absorption fine structure BT Physical optics BT Vertically rising aircraft NEXAFS (X-ray spectroscopy) X-ray photoelectron spectroscopy (May Subd Geog) X-31 (Jet fighter plane) (Not Subd Geog) XANES (X-ray spectroscopy) UF Electron spectroscopy for chemical analysis UF X-31A (Jet fighter plane) BT Absorption spectra ESCA (Electron spectroscopy for chemical BT Jet fighter planes X-ray spectroscopy analysis) X-31A (Jet fighter plane) X-ray analysis, Windowless energy-dispersive XPS (X-ray photoelectron spectroscopy) USE X-31 (Jet fighter plane) USE Windowless energy-dispersive X-ray analysis BT Photoelectron spectroscopy X-32 (Jet fighter plane) (Not Subd Geog) X-ray astronomy X-ray photogrammetry UF Boeing Joint Strike Fighter [QB472] BT Photogrammetry Boeing X-32 (Jet fighter plane) BT Astronomy Radiography Joint Strike Fighter, Boeing Space astronomy X-ray photography BT Jet fighter planes X-rays USE Radiography Stealth aircraft NT X-ray binaries X-ray scattering X-35 (Jet fighter plane) X-ray bursts USE X-rays—Scattering USE F-35 (Military aircraft) X-ray sources, Galactic X-ray small-angle scattering X-43A (Hypersonic plane) (Not Subd Geog) X-ray binaries (Not Subd Geog) USE Small-angle x-ray scattering UF Boeing X-43A (Hypersonic plane) [QB830] X-ray sources, Galactic (Not Subd Geog) HXRV (Hypersonic plane) UF X-ray binary stars UF Galactic X-ray sources X-43A Hyper-X Research Vehicle BT Double stars Sources of X-rays, Galactic BT Boeing airplanes X-ray astronomy BT Galaxies Hypersonic planes X-ray binary stars X-ray astronomy Research aircraft USE X-ray binaries X-ray bursts Rocket planes X-ray burst sources X-rays X-43A Hyper-X Research Vehicle USE X-ray bursts NT Cygnus A USE X-43A (Hypersonic plane) X-ray bursters Cygnus X-3 X.500 directory standard (Telecommunication) USE X-ray bursts SS433 (Astronomy) [TK5105.587] X-ray bursts Supernovae UF OSI directory (Telecommunication) UF Burst sources, X-ray — Accretion BT Electronic mail systems—Standards Bursts, X-ray UF Accretion in galactic x-ray sources OSI (Computer network standard) Sources of X-ray bursts BT Accretion (Astrophysics) RT Directory services (Computer network X-ray burst sources X-ray spectroscopy technology) X-ray bursters [QC482.S6 (Radiation physics)] X-cars BT X-ray astronomy [QD96.X2 (Analytical chemistry)] USE General Motors X-cars NT Gamma ray bursts UF Emission spectroscopy, X-ray X chromosome X-ray sources, Galactic Energy dispersive x-ray spectroscopy UF Chromosome X X-ray contrast media Excitation analysis, Fluorescent BT Sex chromosomes USE Radiographic contrast media Fluorescence analysis, X-ray — Abnormalities (May Subd Geog) X-ray crystallography (May Subd Geog) Fluorescent excitation analysis BT Sex chromosome abnormalities [QD945] Fluorescent x-ray spectroscopy NT Adrenomyeloneuropathy BT Crystallography X-ray emission spectroscopy X-linked mental retardation — Computer programs X-ray fluorescence analysis X-country ski trails — Technique BT Spectrum analysis USE Cross-country ski trails NT Rietveld method NT Dual-energy X-ray absorptiometry X disease in cattle (May Subd Geog) X-ray densitometry in dendrochronology Extended X-ray absorption fine structure UF Hyperkeratosis BT Dendrochronology Proton-induced X-ray emission BT Cattle—Diseases Radiography Surface extended X-ray absorption fine X-ers X-ray densitometry in medicine structure USE Generation X BT Radiography, Medical Windowless energy-dispersive X-ray analysis X generation X-ray diagnosis X-ray absorption near edge structure USE Generation X USE Diagnosis, Radioscopic X-ray spectroscopy, Ultrasoft X-Lecia, Stadion (Warsaw, Poland) X-ray diffractometer [QC482.S6] USE Dziesięciolecia Stadion (Warsaw, Poland) UF Diffractometer, X-ray UF Ultrasoft X-ray spectroscopy X-linked mental retardation (May Subd Geog) BT X-rays—Diffraction X-ray spectroscopy in archaeology (May Subd Geog) [RC574] — Calibration (May Subd Geog) [CC79.X73] UF XLMR (Disease) X-ray emission, Proton-induced BT Archaeology—Methodology BT Mental retardation USE Proton-induced X-ray emission X-ray telescope X chromosome—Abnormalities X-ray emission spectroscopy USE X-ray telescopes NT Adrenoleukodystrophy USE X-ray spectroscopy X-ray telescopes (May Subd Geog) Charcot-Marie-Tooth disease X-ray film-screen systems UF X-ray telescope [Former heading] Duchenne muscular dystrophy USE Screen-film radiography BT Telescopes Fragile X syndrome X-ray films X-ray tubes Lesch-Nyhan syndrome USE Radiography—Films [TK7871.79.X2] Lowe's syndrome X-ray fluorescence analysis BT Electron tubes Norrie's disease USE X-ray spectroscopy Radiography Pseudo-pseudohypoparathyroidism X-ray holography (May Subd Geog) X-rays Rett syndrome UF Microholography [QC480-QC482.3] VATER syndrome BT Holography UF Rays, Roentgen X-mas X-ray intensifying screens Roentgen rays USE Christmas USE Screen-film radiography Roentgenograms X-Men (Fictitious characters) (Not Subd Geog) X-ray lasers BT Electromagnetic waves UF Lasers, X-ray Ionizing radiation BT Nuclear-pumped lasers Radiation

X-1 BT Nuclear-pumped lasers Radiation X-rays (Continued) Xa Xam Khoong (Southeast Asian people) Methylene diphenylene oxide RT Cathode rays USE Phunoi (Southeast Asian people) Tricyclic dibenzopyran Radiography Xa Xeng (Southeast Asian people) BT Heterocyclic compounds Vacuum-tubes USE Phunoi (Southeast Asian people) NT Thioxanthenes NT Auger effect Xaasonke language Xanthene dyes Diagnosis, Fluoroscopic USE Kassonke language — Derivatives (May Subd Geog) Electron spectroscopy Xac Site (Mexico) NT Rhodamine B Expertising, X-ray USE Xoc Site (Mexico) Xanthene dyes Fluoroscopy Xacriaba Indians (May Subd Geog) BT Chemical tests and reagents Grenz rays [F2520.1.X33] Dyes and dyeing N-rays UF Xakriabá Indians Xanthene Solar x-rays BT Indians of South America— NT Rhodamine B X-ray astronomy Xadi (African people) Xanthic acid salts X-ray sources, Galactic USE Hdi (African people) USE Xanthates — Apparatus and supplies Xadi language Xanthic acids USE X-rays—Equipment and supplies USE Hdi language UF Xanthogenic acid — Diffraction Xagh̄ra Cliffs (Malta) BT Organic acids [QC482.D5] UF Ferdiem Cliffs (Malta) NT Xanthates BT Diffraction Irdum tax-Xagh̄ra (Malta) Xanthidae (May Subd Geog) NT X-ray diffractometer Rdum tax-Xagh̄ra (Malta) [QL444.M33] — Equipment and supplies Redum Ferdium (Malta) BT Decapoda (Crustacea) UF X-rays—Apparatus and supplies [Former Redum Ta Shaghra (Malta) NT Demania heading] Shaghra Cliffs (Malta) Menippe — — Tariff BT Cliffs—Malta Pilumnus USE Tariff on X-ray equipment and supplies Xagua Indians Xanthine — Industrial applications (May Subd Geog) USE Achagua Indians [QD401] NT Radiography, Industrial Xagua language UF Dihydropurinedione X-ray lithography USE Achagua language Dioxopurine — Physiological effect (May Subd Geog) Xakas language BT Alloxuric substances NT Plants—Effect of X-rays on USE Khakass language Nitrogen excretion — Polarization Xakriabá Indians Purines [QC482.P6] USE Xacriaba Indians Urine—Analysis BT Polarization (Nuclear physics) Xaltocan Site (Mexico) NT Caffeine — Safety measures BT Mexico—Antiquities Methylxanthines NT Shielding (Radiation) Xalwa language Xanthine oxidase — Scattering USE Myene language Xanthine oxidase [QC482.S3] /Xam (African people) [QP603] UF X-ray scattering USE San (African people) UF Xanthinoxidase BT Scattering (Physics) Xam Khong (Southeast Asian people) XO (Enzyme) NT Small-angle x-ray scattering USE Phunoi (Southeast Asian people) BT Oxidases — Spectra Xamacoco Indians Xanthine — Therapeutic use (May Subd Geog) USE Chamacoco Indians Xanthinoxidase X-rays in dentistry Xamanhá Site (Mexico) USE Xanthine oxidase USE Teeth—Radiography [F1435.1.X26] Xanthite X-rays in obstetrics BT Mexico—Antiquities USE Vesuvianite USE Radiography in obstetrics Xambioa Indians Xanthium (May Subd Geog) X-rays in stomatology USE Caraja Indians [QK495.C74] USE Mouth—Radiography Xambioa language UF Cockleburrs X, Stadion (Warsaw, Poland) USE Caraja language Cockleburs USE Dziesięciolecia Stadion (Warsaw, Poland) Xamia BT Compositae X Window System (Computer system) USE Callophrys Xanthocephalus (May Subd Geog) BT Windows (Computer programs) Xamicoco Indians [QL696.P2475 (Zoology)] X Y Z Affair, 1797-1798 USE Chamacoco Indians BT Blackbirds USE XYZ Affair, 1797-1798 Xanadu (Extinct city) Icteridae X zone USE Shangdu (Extinct city) NT Yellow-headed blackbird USE Zona reticularis Xananwa (African people) Xanthocephalus xanthocephalus X1/9 automobile USE Gananwa (African people) USE Yellow-headed blackbird USE Fiat X1/9 automobile Xananwa dialect Xanthocyparis X3 sport utility vehicle USE Gananwa dialect USE Callitropsis USE BMW X3 sport utility vehicle Xancidae Xanthocyparis nootkatensis X3D (Standard) USE Turbinellidae USE Callitropsis nootkatensis UF Extensible 3D graphics (Standard) Xander Holmes (Fictitious character) Xanthogenic acid BT Computer animation—Standards USE Holmes, Xander (Fictitious character) USE Xanthic acids Three-dimensional display systems XANES (X-ray spectroscopy) Xanthoma X10 (Power line control protocol) USE X-ray absorption near edge structure UF Vitiligoidea BT Home automation—Standards Xangô (Afro-Brazilian deity) (Not Subd Geog) Xanthelasma X86 assembly language (Computer program language) BT Gods, Afro-Brazilian BT Cutaneous manifestations of general diseases [QA76.73.X16] Orishas Lipids—Metabolism—Disorders BT Assembly languages (Electronic computers) Xangô (Cult) (May Subd Geog) Xanthomonas (May Subd Geog) Xa (Asian people) BT Afro-Brazilian cults [QR82.P78 (Microbiology)] USE Giay (Asian people) Xanten (Germany) BT Pseudomonadaceae Si La (Asian people) — History NT Xanthomonas albilineans Xa (Southeast Asian people) — — Bombardment, 1945 Xanthomonas campestris USE Sedang (Southeast Asian people) BT Bombing, Aerial—Germany Xanthomonas malvacearum Xa Chung Cha (Asian people) World War, 1939- Xanthomonas manihotis USE Giay (Asian people) 1945—Campaigns—Germany Xanthomonas pruni Xa chung chá language Xanth (Imaginary place) (Not Subd Geog) Xanthomonas albilineans (May Subd Geog) USE Bouyei language BT Imaginary places [QR82.P78 (Microbiology)] Xa-điêng (Southeast Asian people) Xanthan gum UF Agrobacterium albilineans USE Stieng (Southeast Asian people) [QR92.X35] Bacterium albilineans Xa La Vang language BT Microbial polysaccharides Phytomonas albilineans USE Mang language Stabilizing agents Pseudomonas albilineans Xa language Xanthates (May Subd Geog) BT Xanthomonas USE Sedang language UF Xanthic acid salts Xanthomonas campestris (May Subd Geog) Xa Long Tan, Battle of, , 1966 BT Organosulfur compounds [QR82.P78 (Microbiology)] USE Long Tan, Battle of, Vietnam, 1966 Xanthic acids UF Bacillus campestris Xa Mang (Vietnamese people) NT Potassium ethylxanthate Bacterium campestris USE Mang (Vietnamese people) Starch xanthate Citrus canker bacteria Xá phó (Asian people) Xanthelasma Phytomonas campestris USE Phula (Asian people) USE Xanthoma Pseudomonas campestris Xa-tcx-atcu (Wash. : Lake) Xanthene Xanthomonas campestris campestris USE Sammamish, Lake (Wash.) UF Diphenylene methane oxide Xanthomonas campestris pv. citri

X-2 Xanthomonas citri UF Austral grass tree Acua-Shavante Indians BT Xanthomonas Australian grass tree Acuen-Xavante Indians Xanthomonas campestris campestris BT Xanthorrhoea Akuen Indians USE Xanthomonas campestris Xanthorrhoeaceae (May Subd Geog) Akwa Indians Xanthomonas campestris pv. citri [QK495.X3 (Botany)] Akwe Indians USE Xanthomonas campestris BT Asparagales Akwe Shavante Indians [Former heading] Xanthomonas citri NT Xanthorrhoea A'we Indians USE Xanthomonas campestris Xanthorrhoeales Chavante Acuan Indians Xanthomonas diseases (May Subd Geog) USE Asparagales Chavante-Akwẽ Indians [SB741.X35] Xanthorrhoeas Chavante Indians BT Bacterial diseases of plants USE Xanthorrhoea Crisca Indians NT Anthurium bacterial blight Xanthos (Ancient city) Crixá Indians Cassava bacterial blight USE Xanthos (Extinct city) Eochavante Indians Sugarcane leaf scald Xanthos (Extinct city) Oti Indians Xanthomonas malvacearum (May Subd Geog) UF Xanthos (Ancient city) [Former heading] Pusciti Indians [QR82.P78] Xanthus (Extinct city) Puxití Indians BT Xanthomonas BT Extinct cities—Turkey Shavante-Akwẽ Indians Xanthomonas manihotis (May Subd Geog) Turkey—Antiquities Tapacuá Indians [QR82.P78 (Microbiology)] Xanthosia (May Subd Geog) Xavante-Acuen Indians BT Xanthomonas [QK495.U48 (Botany)] BT Gê Indians Xanthomonas pruni (May Subd Geog) BT Umbelliferae Indians of South America—Brazil [QR82.P78] Xanthosiderite (May Subd Geog) BT Xanthomonas USE Goethite UF Acua language Xanthomyza (May Subd Geog) Xanthosoma sagittaefolium Acuan-Shavante language [QL696.P249] USE Yautia Akuen language BT Honeyeaters Xanthotype (May Subd Geog) Akwa language (Brazil) NT Regent honeyeater [QL561.G6] Akwe language Xanthomyza phrygia BT Geometridae Akwẽ Shavante language [Former heading] USE Regent honeyeater Xanthoxylum A'we language Xanthonanthus USE Zanthoxylum Chavante Acuan language USE Vernal grass Xanthus (Extinct city) Chavante language [Former heading] Xanthone USE Xanthos (Extinct city) Crisca language [QD405] Xantusia (May Subd Geog) Eochavante language Xanthonychidae [QL666.L293] Oti language USE Helminthoglyptidae BT Xantusiidae Puscití language Xanthonycidae NT Xantusia vigilis Puxiti language USE Helminthoglyptidae Xantusia vigilis (May Subd Geog) Shavante Akwe language Xanthoparmelia (May Subd Geog) [QL666.L293] Tapacuá language [QK585.P2] BT Xantusia Xavante Acuan language BT Parmeliaceae Xantusiidae (May Subd Geog) BT Brazil—Languages Xanthophores (May Subd Geog) [QL666.L293 (Zoology)] Gê languages UF Yellow chromatophores UF Night lizards — Names BT Chromatophores BT Lizards USE Names, Xavante Xanthophyceae (May Subd Geog) Squamata Xavante mythology (May Subd Geog) UF Heterochlorida NT Lepidophyma UF Mythology, Xavante Heterocontae Xantusia Xavante names Heterokontae Xapacura Indians USE Names, Xavante Tribophyceae USE Uruewawau Indians Xaverian Brothers Xanthophyta Xapanã (Afro-Brazilian deity) [BX4190.X3] Yellow-green algae USE Obaluaiê (Afro-Brazilian deity) UF Brothers of St. Francis Xavier BT Algae Xaqas language Xavier family (Not Subd Geog) Heterokontophyta USE Khakass language Xayá River (Guatemala) NT Tribonematales Xaracii language UF Chayá River (Guatemala) Vaucheriales USE Anesu language Río Chayá (Guatemala) Xanthophyllomyces (May Subd Geog) Xaracuu language Río Xayá (Guatemala) [QK629.C97 (Mycology)] USE Anesu language BT Rivers—Guatemala BT Cystofilobasidiaceae Xaragure language (May Subd Geog) XB-19 bomber NT Xanthophyllomyces dendrorhous [PL6340] USE B-19 bomber Xanthophyllomyces dendrorhous (May Subd Geog) UF Aragure language [Former heading] XB-19A bomber [QK629.C97 (Mycology)] Haragure language USE B-19 bomber BT Xanthophyllomyces Thio language XB-44 bomber Xanthophylls Thyo language USE B-50 bomber UF Luteins BT Melanesian languages XB-70 bomber BT Carotenes New Caledonia—Languages USE B-70 bomber Xanthophyta Xarbuxyn Balgas (Extinct city) xB automobile USE Xanthophyceae BT Extinct cities—Mongolia USE Scion xB automobile Xanthorhoe (May Subd Geog) Mongolia—Antiquities Xbase (Computer program language) [QL561.G6 (Zoology)] Xarifia (May Subd Geog) BT Programming languages (Electronic BT Geometridae [QL444.C73] computers) NT Xanthorhoe bulbulata BT Xarifiidae XBLR-2 bomber Xanthorhoe bulbulata (May Subd Geog) Xarifiidae (May Subd Geog) USE B-19 bomber [QL561.G6 (Zoology)] [QL444.C73] Xbox 360 (Video game console) (Not Subd Geog) UF Cidaria bulbulata BT Cyclopoida BT Video games—Equipment and supplies BT Xanthorhoe NT Xarifia Xbox One (Video game console) (Not Subd Geog) Xanthoria (May Subd Geog) Xaroxa (African people) BT Video games—Equipment and supplies [QK585.T44 (Botany)] USE Didinga (African people) Xbox video games (Not Subd Geog) BT Teloschistaceae Xaroxa language UF Microsoft Xbox video games Xanthorrhoea (May Subd Geog) USE Didinga language BT Video games [QK495.X3 (Botany)] Xasonke language XBRL (Document markup language) [SB413.X36 (Ornamental plants)] USE Kassonke language [HF5548.5.X25] UF Black boys (Plants) Xauthii (Asian people) UF eXtensible Business Reporting Language Blackboys (Plants) USE Jat (Asian people) (Document markup language) Grass trees Xavante Acuan language BT Document markup languages Grasstrees USE Xavante language XC ski trails Xanthorrhoeas Xavante-Acuen Indians USE Cross-country ski trails Yaccas USE Xavante Indians Xcan Cave (Mexico) Yackas Xavante children (May Subd Geog) [F1435.1.X32 (Mayan antiquities)] Yakkas UF Children, Xavante UF Gruta de Xcan (Mexico) BT Xanthorrhoeaceae BT Children—Brazil Xcan Grotto (Mexico) NT Xanthorrhoea australis Xavante Indians (May Subd Geog) BT Caves—Mexico Xanthorrhoea australis (May Subd Geog) [F2520.1.A4] Mexico—Antiquities [QK495.X3] UF Acua Indians

X-3 Xcan Grotto (Mexico) Ernanodontidae RT Glossolalia USE Xcan Cave (Mexico) Glyptodontidae BT Spiritualism Xcaret, Parque (Mexico) Ground sloths Xenoglyptodon USE Parque Xcaret (Mexico) Megalonychidae, Fossil USE Glyptodon Xcochkax Site (Mexico) Megatheriidae Xenografts (May Subd Geog) BT Mexico—Antiquities Mylodontidae [QR188.8] Xculoc Site (Mexico) Pampatheriidae UF Heterografts [F1435.1.X37] Sloths, Fossil Heterologous transplants BT Mexico—Antiquities Xenarthrans Heteroplastic grafts Xde (African people) USE Xenarthra Xenotransplantation USE Hdi (African people) Xenia Smith (Fictitious character) BT Transplantation of organs, tissues, etc. Xdi language USE Smith, Xenia (Fictitious character) — Law and legislation (May Subd Geog) USE Hdi language Xenical (Trademark) BT Medical laws and legislation Xé Champhon (Laos) USE Orlistat Xenoliths USE Champhon River (Laos) Xenicidae USE Igneous rocks—Inclusions XE computers USE New Zealand wrens Xenomi USE Atari XE computers Xenicus (May Subd Geog) USE Salmoniformes Xe Dang (Southeast Asian people) [QL696.P212 (Zoology)] Xenon (May Subd Geog) USE Sedang (Southeast Asian people) BT New Zealand wrens [QD181.X4 (General and inorganic chemistry)] Xebero Indians NT Xenicus gilviventris [QD412.X4 (Organometallic chemistry)] USE Jebero Indians Xenicus gilviventris (May Subd Geog) [TP245.X4 (Chemical technology)] Xebero language [QL696.P212 (Zoology)] BT Gases, Rare USE Jebero language UF Alpine rock wren — Isotopes (May Subd Geog) Xedi (African people) Rock wren (Xenicus gilviventris) [QD181.X4] USE Hdi (African people) South Island rock wren BT Fission gases Xedi language South Island wren — — Decay USE Hdi language BT Xenicus — — Spectra Xegwe (African people) Xenix (Zurich, Switzerland) — Spectra USE Batwa (African people) USE Kino Xenix (Zurich, Switzerland) — Thermal properties (May Subd Geog) Xegwi (African people) Xenoberyces Xenon compounds (May Subd Geog) USE Batwa (African people) USE Beryciformes [QD181.X4 (General and inorganic chemistry)] Xekong River Xenobiotic compounds [QD412.X4 (Organometallic chemistry)] UF Houei Khoang USE Xenobiotics [TP245.X4 (Chemical technology)] Khoang River Xenobiotic ketone reductase BT Rare gas compounds Khong River USE Carbonyl reductase NT Xenon hexafluoride Kong River Xenobiotics Xenon hexafluoride (May Subd Geog) Se Khong [QP529] BT Rare gas fluorides Sé Kong UF Foreign chemical compounds Xenon compounds Tônlé Kŏng Foreign compounds Xenon lamps BT Rivers—Cambodia Xenobiotic compounds UF Electric lamps, Xenon Rivers—Laos BT Biochemistry Lamps, Xenon Rivers—Vietnam Chemicals BT Electric discharge lighting Xekong River Watershed NT Microorganisms—Effect of xenobiotics on Electric lamps BT Watersheds—Cambodia — Physiological effect (May Subd Geog) — Power supply (May Subd Geog) Watersheds—Laos [QP529] Xenonectria Watersheds—Vietnam NT Plants—Effect of xenobiotics on USE Herpotrichia Xel-Há Site (Mexico) Xenocalamus (May Subd Geog) Xenoophorus USE Xelha Site (Mexico) [QL666.O627] [QL638.G82] Xelha Site (Mexico) UF Quill-nosed snakes BT Goodeidae UF Xel-Há Site (Mexico) Quill-snouted snakes Xenopeltidae BT Mexico—Antiquities BT Atractaspididae USE Sunbeam snakes Xemaá-el-Fná (Marrakech, Morocco) Xenocatantops (May Subd Geog) Xenoperidae USE Jāmaʻ al-Fanāʾ (Marrakech, Morocco) [QL508.A2] USE Fellodistomidae Xena (Dwarf planet) BT Grasshoppers Xenophobia (May Subd Geog) USE Eris (Dwarf planet) Xenochromis UF Zenophobia Xena, Warrior Princess (Fictitious character) USE Perissodus eccentricus BT Phobias (Not Subd Geog) Xenocongridae (May Subd Geog) Xenophobia in language (May Subd Geog) UF Warrior Princess Xena (Fictitious character) [QL638.X45] BT Language and languages Xena, Warrior Princess (Game) UF Chilorhinidae Psycholinguistics [GV1469.35.X42] Chlopsidae Sociolinguistics BT Video games Echelidae Xenophobia in mass media (Not Subd Geog) Xena Holmes (Fictitious character) False morays [P96.X45] USE Holmes, Xena (Fictitious character) Muraenichthyidae BT Mass media Xenacanthidae (May Subd Geog) Myridae Xenophobia in motion pictures (Not Subd Geog) BT Xenacanthiformes BT Eels BT Motion pictures NT Xenacanthus NT Kaupichthys Xenophora (May Subd Geog) Xenacanthiformes (May Subd Geog) Thalassenchelys [QL430.5.X46] BT Chondrichthyes, Fossil Xenocyttus nemotoi BT Xenophoridae Sharks, Fossil USE Smooth oreo Xenophoridae (May Subd Geog) NT Xenacanthidae Xenodexia (May Subd Geog) [QL430.5.X46] Xenacanthus (May Subd Geog) [QL638.C96] BT Mesogastropoda UF Hypospondylus BT Cyprinodontidae NT Xenophora BT Xenacanthidae Xenodiagnosis (May Subd Geog) Xenopithecus Xenambassis (May Subd Geog) BT Diagnosis, Laboratory USE Proconsul (Fossil primates) [QL638.C34] Xenodorella (May Subd Geog) Xenopneusta (May Subd Geog) BT Centropomidae [QL537.T42] [QL391.E2] Xenarthra (May Subd Geog) BT Tephritidae BT Echiura [QL737.E2-QL737.E238] NT Xenodorella mira NT Urechidae UF Edentata [Former heading] Xenodorella mira (May Subd Geog) Xenopoclinidae Edentates [QL537.T42] USE Clinidae Xenarthrans BT Xenodorella Xenopsylla (May Subd Geog) BT Mammals Xenogears (Game) [QL599.7.P8] NT Armadillos [GV1469.35.X45] UF Laemopsylla Bradypodidae BT Video games BT Pulicidae Megalonychidae Xenoglossa (May Subd Geog) NT Oriental rat flea Myrmecophagidae [QL568.A53] Xenopsylla cheopis Sloths UF Gourd bees USE Oriental rat flea Xenarthra, Fossil (May Subd Geog) Squash bees Xenopteridae [QE882.E2] BT Anthophoridae USE Puffers (Fish) UF Edentata, Fossil [Former heading] Xenoglossy Xenopterygii BT Mammals, Fossil [BF1353] USE Gobiesociformes NT Armadillos, Fossil

X-4 Xenopteryx (May Subd Geog) — Equipment and supplies Xestobium (May Subd Geog) [QL596.P83] NT Toners (Xerography) [QL596.A5] BT Feather-wing beetles Xeroma BT Anobiidae NT Xenopteryx setosus USE Xerophthalmia NT Xestobium rufovillosum Xenopteryx setosus (May Subd Geog) Xeronesi Island (Greece) Xestobium rufovillosum (May Subd Geog) [QL596.P83] USE Peristera Island (Greece) [QL596.A5] BT Xenopteryx Xeronisi Island (Greece) UF Anobium tessellatum Xenopus (May Subd Geog) USE Peristera Island (Greece) Death watch beetle [QL668.E265] Xerophthalmia (May Subd Geog) Xestobium tessellatum UF African clawed frog UF Conjunctivitis arida BT Xestobium Dactylethra Eye—Xerosis [Former heading] Xestobium tessellatum Silurana Ophthalmoxerosis USE Xestobium rufovillosum BT Pipidae Xeroma Xetá Indians NT Xenopus laevis Xerophthalmus USE Héta Indians Xenopus laevis (May Subd Geog) Xerosis of the eye Xetulul (Guatemala) [QL668.E265] BT Conjunctiva—Diseases BT Amusement parks—Guatemala UF Dactylethra laevis Dry eye syndromes Xevero Indians South African clawed frog Vitamin A deficiency USE Jebero Indians BT Xenopus Xerophthalmus Xevero language Xenorhabdus (May Subd Geog) USE Xerophthalmia USE Jebero language [QR82.E6] Xerophyllaceae Xevsurebi BT Enterobacteriaceae USE Melanthiaceae USE Khevsurs Xenosauridae (May Subd Geog) Xerophyllum (Plants) (May Subd Geog) XF-12 (Reconnaissance aircraft) [QL666.L295 (Zoology)] [QK495.M5135 (Botany)] USE Republic XR-12 (Reconnaissance aircraft) BT Lizards UF Beargrass XF8-B1 (Fighter plane) Squamata Beargrasses USE Boeing XF8B-1 (Fighter plane) NT Xenosaurus BT Melanthiaceae XF8B-1 (Fighter plane) Xenosaurus (May Subd Geog) NT Xerophyllum tenax USE Boeing XF8B-1 (Fighter plane) [QL666.L295] Xerophyllum douglasii Xhaaidlagha Gwaayaai (B.C.) BT Xenosauridae USE Xerophyllum tenax USE Haida Gwaii (B.C.) Xenotime (May Subd Geog) Xerophyllum tenax (May Subd Geog) Xhac Site (Mexico) BT Phosphate minerals [QK495.M5135 (Botany)] USE Xoc Site (Mexico) Xenotime (Imaginary place) (Not Subd Geog) UF Basket grass, Indian Xhosa (African people) (May Subd Geog) UF Town of Gold (Imaginary place) Bear-lily [DT1768.X57 (Africa)] BT Imaginary places Common beargrass [DS489.25.X56 (Sri Lanka)] Xenotis Elk grass UF Amaxosa (African people) USE Lepomis Fire-lily Kāpiri (African people) Xenotransplantation Helonias tenax Koosa (African people) USE Xenografts Indian basket grass Xosa [Former heading] Xere language Quip-quip Xosa (African people) USE Numèè language Soap grass BT Ethnology— Xerente Indians Squaw grass Ethnology—Sri Lanka USE Sherente Indians Turkey-beard, Western Nguni (African people) Xereu language Western turkey-beard NT Ndlambe (African people) USE Xerophyllum douglasii — Folklore Xerewyana language BT Xerophyllum (Plants) NT Ukuthwetyulwa USE Hixkaryana language Xerophytes (May Subd Geog) — Missions (May Subd Geog) Xerex de Aristeguieta family [QK922] [BV3630.X65] USE Jerez de Aristeguieta family BT Plants UF Missions to Xhosa (African people) Xerez de Aristeguieta family RT Arid regions plants [Former heading] USE Jerez de Aristeguieta family -tolerant plants Missions to Xosa [Former heading] Xeric ecology (May Subd Geog) Succulent plants Xhosa authors [QH101-QH198 (Local)] NT Xerothermic plants USE Authors, Xhosa [QH541.5.X45 (General)] — Anatomy Xhosa beadwork BT Ecology Xeropolis (Extinct city) USE Beadwork, Xhosa RT Desert ecology BT Extinct cities—Greece Xhosa Bible stories Xeric landscaping Greece—Antiquities USE Bible stories, Xhosa USE Xeriscaping Xeroradiography (May Subd Geog) Xhosa Cattle-Killing, South Africa, 1856-1857 Xèrica family BT Radiography USE South Africa—History—Xhosa Cattle-Killing, USE Jérica family Xerosis of the eye 1856-1857 Xeriscaping (May Subd Geog) USE Xerophthalmia Xhosa children [SB439.8 (Drought-tolerant plants)] Xerospermophilus USE Children, Xhosa [SB475.83 (Water conservation)] USE Ground squirrels Xhosa children's songs UF Waterwise gardening Xerotaceae USE Children's songs, Xhosa Xeric landscaping USE Asparagaceae Xhosa drama (May Subd Geog) BT Landscape gardening—Water conservation Xerotes BT Xhosa literature RT Drought-tolerant plants USE Lomandra NT Folk drama, Xhosa Xero Island (Greece) Xerothermic plants (May Subd Geog) Radio plays, Xhosa USE Peristera Island (Greece) [QK108-QK474.5 (Local)] Xhosa essays (May Subd Geog) Xerobates agassizii [QK922 (General)] BT Xhosa literature USE Desert tortoise BT Xerophytes Xhosa fiction (May Subd Geog) Xerobates berlandieri Xerox 860 (Word processor) (Not Subd Geog) UF Xosa fiction [Former heading] USE Texas tortoise [Z52.5.X47] BT Xhosa literature Xerocomus versicolor BT Word processors NT Short stories, Xhosa USE Trametes versicolor Xerox 1075 (Copying machine) (Not Subd Geog) Xhosa folk drama Xeroderma pigmentosum (May Subd Geog) BT Photocopying machines USE Folk drama, Xhosa UF Kaposi's disease Xerography Xhosa folk poetry XP (Disease) Xeroxing (Trademark) USE Folk poetry, Xhosa BT Photosensitivity disorders USE Photocopying Xhosa folk songs Precancerous conditions Xers USE Folk songs, Xhosa Skin—Abnormalities USE Generation X Xhosa hymns Xerogels (May Subd Geog) Xestia (May Subd Geog) USE Hymns, Xhosa BT Ceramic materials [QL561.N7 (Zoology)] Xhosa imprints (May Subd Geog) Colloids BT Cutworms (May Subd Geog) Xerographic art Noctuidae [PL8795] USE Copy art NT Spotted cutworm UF isiXhosa language Xerography Xestia adela Kaffer language BT Electrostatic printing USE Spotted cutworm Kaffir language NT Xerox 1075 (Copying machine) Xestia c-nigrum Kafir language — Developing and developers USE Spotted cutworm Xosa language [Former heading] [TR1045] Xestidae BT Nguni languages USE Helicarionidae South Africa—Languages

X-5 Xhosa language (Continued) Xi zang Region Xianggang shou yu NT Fanakalo USE Tibet Region USE Sign Language Hlonipha Xia zi xi Xianggang Zhan (, ) — Names USE Lian hua lao UF Hong Kong Station (Hong Kong Island, China) USE Names, Xhosa Xiajiadian culture, Lower BT Railroad stations—China — Tone USE Lower Xiajiadian culture Xianggui Yunhe (China) BT Tone (Phonetics) Xiajiadian culture, Upper USE Ling Canal (China) Xhosa laudatory poetry USE Upper Xiajiadian culture Xiangqi (Game) USE Laudatory poetry, Xhosa Xiamen dialect USE Chinese chess Xhosa law USE Hokkien dialects Xiangquan He USE Law, Xhosa Xi'an Incident, Xi'an, China, 1936 USE River Xhosa literature (May Subd Geog) USE China—History—Xi'an Incident, 1936 Xiangshan Bay (China) UF Xosa literature [Former heading] Xian tian dao (Cult) (May Subd Geog) UF Hsiang-shan Bay (China) BT South African literature [BL1943.H74] Nimrod Bay (China) NT Xhosa drama UF Hsien tʻien tao (Cult) [Former heading] Siang-shan Bay (China) Xhosa essays Way of Former Heaven (Cult) Siangshan Bay (China) Xhosa fiction BT Cults—China Xiangshan Gang (China) Xhosa poetry Xi'an Xiao yan ta (Xi'an Shi, China) BT Bays—China Xhosa lullabies USE Xiao yan ta (Xi'an Shi, China) Harbors—China USE Lullabies, Xhosa Xian ze Xiangshan Gang (China) Xhosa names USE San xian USE Xiangshan Bay (China) USE Names, Xhosa Xianbei (Asian people) (May Subd Geog) Xiangsheng Xhosa poetry (May Subd Geog) UF Hsien-pei (Asian people) USE Xiang sheng BT Xhosa literature Hsien-pi (Asian people) Xiangtangshan Caves (China) NT Folk poetry, Xhosa Xianbi (Asian people) UF Xiangtangshan Grottoes (China) Laudatory poetry, Xhosa BT Ethnology—Asia Xiangtangshan Shiku (China) Protest poetry, Xhosa Xianbi (Asian people) BT Buddhist cave temples—China Xhosa pottery USE Xianbei (Asian people) Caves—China USE Pottery, Xhosa Xiandao language (May Subd Geog) Xiangtangshan Grottoes (China) Xhosa protest poetry [PL3311.X53] USE Xiangtangshan Caves (China) USE Protest poetry, Xhosa BT China—Languages Xiangtangshan Shiku (China) Xhosa proverbs Tibeto-Burman languages USE Xiangtangshan Caves (China) USE Proverbs, Xhosa Xiang dialects (May Subd Geog) Xianqu He (China) Xhosa radio plays [PL1861-PL1870] USE Xianshui River (China) USE Radio plays, Xhosa UF Hsiang dialects [Former heading] Xianqu River (China) Xhosa short stories Hunan dialects USE Xianshui River (China) USE Short stories, Xhosa Hunanese dialects Xianshui He (China) Xhosa songs BT China—Languages USE Xianshui River (China) USE Songs, Xhosa Xianshui River (China) Xhosa Wars, South Africa, 1811-1878 Xiang family (Not Subd Geog) UF Hsien-chʻü Ho (China) USE South Africa—History—Frontier Wars, 1811- Xiang Jiang ( Zhuangzu Zizhiqu and Hunan Hsien-chʻü River (China) 1878 Sheng, China) Hsien-shui Ho (China) XHTML (Document markup language) USE (Guangxi Zhuangzu Zizhiqu and Hsien-shui River (China) [Former heading] UF eXtensible HyperText Markup Language Hunan Sheng, China) Xianqu He (China) (Document markup language) Xiang Lake (China) Xianqu River (China) BT Document markup languages UF Hsiang Lake (China) [Former heading] Xianshui He (China) Xi family (Not Subd Geog) BT Lakes—China BT Rivers—China UF Hsi family Reservoirs—China Xianzi Xi He (China) Xiang River (China) USE San xian USE (China) USE Xiang River (Guangxi Zhuangzu Zizhiqu and Xiao (May Subd Geog) Xi Hu (China) Hunan Sheng, China) [ML990.X53 (History)] USE West Lake (China) Xiang River (Guangxi Zhuangzu Zizhiqu and Hunan [MT358.X53 (Instruction)] Xi hui guan (Luoyang Shi, China) Sheng, China) UF Hsiao [Former heading] USE Shan Shan hui guan (Luoyang Shi, China) UF Hsiang Chiang (Guangxi Zhuangzu Zizhiqu BT Flute Xi Jiang (China) and Hunan Sheng, China) Musical instruments—China USE Xi River (China) Hsiang River (China) [Former heading] Xiao and qin music (May Subd Geog) Xi ling (China) Siang Kiang (China) [M296-M297] USE Western Qing Tombs (China) Siang River (China) UF Qin and xiao music Xi Mountain (China) Xiang Jiang (Guangxi Zhuangzu Zizhiqu and Xiao family (Not Subd Geog) USE Western Hills (Beijing, China) Hunan Sheng, China) UF Hsiao family [Former heading] Xi Mountains (China) Xiang River (China) [Former heading] Xiao He (Hebei Sheng, China) USE Western Hills (Beijing, China) BT Rivers—China USE (Hebei Sheng, China) Xi qin Xiang River Valley (China) Xiao Hinggan Ling (China) USE Ban hu USE Xiang River Valley (Guangxi Zhuangzu Zizhiqu USE Lesser Khingan Range (China) Xi River (China) and Hunan Sheng, China) Xiao Ling Shan (China) UF Hsi Chiang (China) Xiang River Valley (Guangxi Zhuangzu Zizhiqu and USE Lesser Ling Mountain (China) Hsi-chih Chiang (China) Hunan Sheng, China) Xiao music (May Subd Geog) Sai Kong (China) UF Hsiang River Valley (China) [Former heading] [M110.X] Si Chiang (China) Xiang River Valley (China) [Former heading] Here are entered compositions not in a specific Si He (China) Xiang Valley (Guangxi Zhuangzu Zizhiqu and form or of a specific type for solo xiao, and collections of compositions in several forms or types for solo Si Kiang (China) Hunan Sheng, China) xiao. Sui Kiang (China) BT Valleys—China UF Hsiao music [Former heading] West River (China) Xiang sheng (May Subd Geog) Xiao River (China) Xi He (China) [PL2368.H75 (History)] USE Xiao River (Hebei Sheng, China) Xi Jiang (China) [PL2579.H8 (Collections)] Xiao River (Hebei Sheng, China) BT Rivers—China [PN2874.5.H75 (Theater)] UF Ching-hsing Shui (China) Xi Shan (Beijing, China) UF Hsiang sheng [Former heading] Hsiao Ho (Hebei Sheng, China) USE Western Hills (Beijing, China) Xiangsheng Hsiao River (China) [Former heading] Xi Wang Mu (Taoist deity) (Not Subd Geog) BT Chinese drama (Comedy) Jingxing Shui (China) [BL1942.85.X58] Chinese wit and humor Lu-chʻüan Shui (China) UF Hsi Wang Mu (Taoist deity) [Former heading] Theater—China Luquan Shui (China) Queen Mother of the West (Taoist deity) Xiang Valley (Guangxi Zhuangzu Zizhiqu and Hunan Sixiao Shui (China) BT Taoist goddesses Sheng, China) Ssu-hsiao Shui (China) Xi Xia dynasty, 1038-1227 USE Xiang River Valley (Guangxi Zhuangzu Zizhiqu Tong Shui (Hebei Sheng, China) USE China—History—Xi Xia dynasty, 1038-1227 and Hunan Sheng, China) Tʻung Shui (Hebei Sheng, China) Xi xia language Xiang'an Yunhe (China) Xiao River (China) [Former heading] USE Tangut language USE Ling Canal (China) Xiao He (Hebei Sheng, China) Xi yuan (Beijing, China) Xianggang Dao (China) BT Rivers—China USE Zhongnan hai (Beijing, China) USE Hong Kong Island (China) Xiao Shangdi (Chinese deity) Xi zang gong bu zi ran bao hu qu (China) Xianggang li bin fu (Hong Kong, China) USE Xuantian Shangdi (Chinese deity) USE Xizang Gongbu Ziran Baohuqu (China) USE Hong Kong Government House (Hong Kong, China)

X-6 Xiao wan liu tang Collection (Kōbe-shi, Japan) BT Cayapo Indians Xincan language BT Painting—Private collections—Japan Indians of South America—Brazil USE Xinca language Xiao Xing'an Ling (China) — Missions (May Subd Geog) Xindili Site (Wanli Cun, China) USE Lesser Khingan Range (China) Xila (Asian people) This heading is not valid for use as a geographic Xiao yan ta (Xi'an Shi, China) USE Si La (Asian people) subdivision. UF Xi'an Xiao yan ta (Xi'an Shi, China) Ximenia aegyptiaca BT China—Antiquities BT Pagodas—China USE Balanites aegyptiacus Xing hua Bay (China) Xiaolangdi Reservoir (China) Ximeniaceae USE Xinghua Bay (China) UF Hsiao-lang-ti Reservoir (China) [Former USE Olacaceae Xing hua Wan (China) heading] Ximšiašvili family (Not Subd Geog) USE Xinghua Bay (China) Hsiao-lang-ti shui kʻu (China) UF Khimshiashvil family Xing style writing of Chinese Xiaolangdi Shuiku (China) Xin (The Chinese word) USE Chinese language—Writing—Xing style BT Reservoirs—China [PL1315.X56] Xingcheng Site (China) Xiaolangdi Shuiku (China) BT Chinese language—Etymology BT China—Antiquities USE Xiaolangdi Reservoir (China) Xin’anjiang Shuiku (China) Xinghua Bay (China) Xiaoping Dao (China) USE Qiandao Lake (China) UF Hinghwa Sound (China) USE Xiaoping Island (China) Xin family (Not Subd Geog) Hingwa Sound (China) Xiaoping Island (China) Xin Gang Gang Qiao (Dalian, Liaoning Sheng, China) Hsing-hua Wan (China) UF Heito Tau (China) USE Xin Gang Gang Zhan Qiao (Dalian, Liaoning Hunghwa Bay (China) Hsiao-pʻing Island (China) [Former heading] Sheng, China) Hunghwa Sound (China) Hsiao-pʻing tao (China) Xin Gang Gang Zhan Bridge (Dalian, Liaoning Sheng, Singhua Wan (China) Hsio-pʻing-tao (China) China) Singhwa Wan (China) Kohirazima (China) USE Xin Gang Gang Zhan Qiao (Dalian, Liaoning Xing hua Bay (China) Pʻing-tʻou Tao (China) Sheng, China) Xing hua Wan (China) Ping tu Tau (China) Xin Gang Gang Zhan Qiao (Dalian, Liaoning Sheng, Xinghua Wan (China) Pingtou Dao (China) China) BT Bays—China Sho-hai-tao (China) This heading is not valid for use as a geographic Xinghua Wan (China) Shohei Tao (China) subdivision. USE Xinghua Bay (China) Siaopingtao (China) UF Hsin kang kang chan Bridge (Dalian, Liaoning Xinglongwa culture (May Subd Geog) Xiaoping Dao (China) Sheng, China) BT Neolithic period—China BT Islands—China Hsin kang kang chan chʻiao (Dalian, Liaoning Xingshu style writing of Chinese Xiaoqing He ( Sheng, China) Sheng, China) [Former heading] USE Chinese language—Writing—Xing style USE (Shandong Sheng, China) Hsin kang kang chan chʻiao (Darien, China) Xingu National Park (Brazil) Xiaoqing River (China) [Former heading] USE Parque Nacional do Xingu (Brazil) USE Xiaoqing River (Shandong Sheng, China) Hsin kang kang chʻiao (Dalian, Liaoning Sheng, Xingu River (Brazil) Xiaoqing River (Shandong Sheng, China) China) UF Rio Xingu (Brazil) UF Hsiao-chʻing River (China) [Former heading] Xin Gang Gang Qiao (Dalian, Liaoning Sheng, BT Rivers—Brazil Siaoching River (Shandong Sheng, China) China) Xingu River Valley (Brazil) Siaotsing River (Shandong Sheng, China) Xin Gang Gang Zhan Bridge (Dalian, Liaoning UF Xingu Valley (Brazil) Xiaoqing He (Shandong Sheng, China) Sheng, China) BT Valleys—Brazil Xiaoqing River (China) [Former heading] BT Bridges—China Xingu River Watershed (Brazil) (Shandong Sheng, China) Xin Jinling hua pai BT Watersheds—Brazil BT Rivers—China USE New Jinling school of painting Xingu Valley (Brazil) Xiaosaurus (May Subd Geog) Xin Jinling painting school USE Xingu River Valley (Brazil) [QE862.O65] USE New Jinling school of painting Xinh Mul language BT Ornithischia Xin Loudong hua pai USE Puộc language Xiaotao Ma (Fictitious character) USE New Loudong school of landscape painting Xinh Mun (Vietnamese people) (May Subd Geog) USE Ma, Mo Shen (Fictitious character) Xin Tai Coal Field (China) [DS556.45.X56] Xiaowutai Mountains (China) USE Xin Tai Coalfield (China) UF Con Pua (Vietnamese people) UF Hsiao-wu-tʻai Mountains (China) [Former Xin Tai Coalfield (China) K'sing Mul (Vietnamese people) heading] UF Hsin Tʻai Coal Field (China) [Former heading] Pụa (Vietnamese people) Hsiao-wu-tʻai shan (China) Hsin Tʻai tʻan tʻien (China) Puộc (Vietnamese people) Xiaowutai Shan (China) Xin Tai Coal Field (China) [Former heading] BT Ethnology—Vietnam BT Mountains—China Xin Tai Tantian (China) Xinjiang Basin (China) Xiaowutai Shan (China) BT Coalfields—China UF Xinjiang Pendi (China) USE Xiaowutai Mountains (China) Xin Tai Tantian (China) BT Basins (Geology)—China Xiaoxing'anling (China) USE Xin Tai Coalfield (China) Xinjiang cooking USE Lesser Khingan Range (China) Xinalug language USE Cooking, Uighur Xibba (African people) USE Khinalugh language Xinjiang Luobupo Yeluotuo Guojiaji Ziran Baohuqu USE Kilba (African people) Xin'an hua pai (Group of painters) (China) Xibitaoan language USE school of landscape painting USE Lop Nur Ziran Baohuqu (China) USE Cocama language Xin'an Jiang (China : River) Xinjiang Pendi (China) Xicaque Indians USE Xin'an River (China) USE Xinjiang Basin (China) USE Jicaque Indians Xin'an pai (Group of painters) Xinjie (China) Xicaque language USE Anhui school of landscape painting USE (China) USE Jicaque language Xin'an River (China) Xinka language Xichangana language UF Hsin-an Chiang (China : River) USE Xinca language USE Hui-chiang (China) Xi'oi Indians Xichun (Fictitious character : An) (Not Subd Geog) Sinan Kiang (China) USE Pame Indians Xida (Asian people) Xin'an Jiang (China : River) Xi'oi language USE Si La (Asian people) BT Rivers—China USE Pame language Xie family (Not Subd Geog) Xinantecatl (Mexico) Xiongnu UF Hsieh family [Former heading] USE Nevado de Toluca Volcano (Mexico) USE Xiongnu (Asian people) Xigexing Temple Ruins (China) Xinca cosmology (Not Subd Geog) Xiongnu (Asian people) (May Subd Geog) USE Shikchin Temple Ruins (China) UF Cosmology, Xinca UF Hsiung-nu [Former heading] Xihu Shan (China) BT Cosmology Xiongnu [Former heading] USE Hu Mountain ( Sheng, China) Xinca Indians (May Subd Geog) BT Ethnology—Asia Xihuila language [F1434.3.X4] Huns USE Jebero language BT Indians of Central America—Guatemala Xíos Island (Greece) Xiin Finiin (Horse) Xinca language (May Subd Geog) USE Chios Island (Greece) USE Hiin Finiin (Horse) [PM4498.X3-PM4498.X34] Xipe Totec (Aztec deity) (Not Subd Geog) Xikeqin Temple Ruins (China) UF Ikomagi language UF Flayed God (Aztec deity) USE Shikchin Temple Ruins (China) Jinca language BT Aztec gods Xikrin cosmology (Not Subd Geog) Shinca language Xiphasiidae UF Cosmology, Xikrin Sinca language USE Blenniidae BT Cosmology Szinca language Xiphias (May Subd Geog) Xikrin Indians (May Subd Geog) Xincan language [QL638.X5 (Zoology)] [F2520.1.X5] Xinka language BT Xiphiidae UF Diore Indians BT Chibchan languages NT Swordfish Djore-Xikrin Indians Extinct languages Xiphias gladius Xukru Indians Guatemala—Languages USE Swordfish

X-7 Xiphidae Xiqiao Mountains (China) Xixabangma Feng (China) USE Beaked whales USE Xiqiao Mountain (China) Xixia Bangma Mount (China) Xiphiidae (May Subd Geog) Xiqiao Shan (China) Xixiabangma Feng (China) [QL638.X5 (Zoology)] USE Xiqiao Mountain (China) Xixiabangma Peak (China) [Former heading] BT Perciformes Xiriana Indians BT Mountains—China NT Xiphias USE Shiriana Indians Himalaya Mountains Xiphinema Xirima language Xixia Bangma Mount (China) USE Dagger nematodes USE Makhuwa-Shirima language USE Xixabangma Peak (China) Xiphisternum Xirimía (Musical instrument) Xixia dynasty, 1038-1227 USE Xiphoid process USE Chirimía (Musical instrument) USE China—History—Xi Xia dynasty, 1038-1227 Xiphiurus Xirixana Indians Xixia language USE Genypterus USE Shiriana Indians USE Tangut language Xiphius Xironga language Xixiabangma Feng (China) USE Ziphius USE Ronga language USE Xixabangma Peak (China) Xiphoid process XIS (Information retrieval system) Xixiabangma Peak (China) UF Ensiform process UF Export Information System (Information USE Xixabangma Peak (China) Xiphisternum retrieval system) Xizang Gaoyuan BT Cartilage BT Information storage and retrieval USE Tibet, Plateau of Sternum systems—Export marketing Xizang Gongbu Ziran Baohuqu (China) Xipholena (May Subd Geog) Xisha Islands UF Gongbo Nature Reserve (China) [QL696.P289 (Zoology)] USE Paracel Islands Xi zang gong bu zi ran bao hu qu (China) BT Tyrannidae Xisha Qundao BT National parks and reserves—China NT White-winged cotinga USE Paracel Islands Natural areas—China Xipholena atropurpurea Xishuangbanna Dai (Asian people) Xizang Region USE White-winged cotinga USE Lü (Asian people) USE Tibet Region Xiphopelta Xishuangbanna Nature Reserve (China) XJ6 automobile USE Pachycondyla USE Xishuangbanna Ziran Baohuqu (China) USE Jaguar XJ6 automobile Xiphopeneus (May Subd Geog) Xishuangbanna Ziran Baohuqu (China) XJ40 automobile [QL444.M33] UF Hsi-shuang-pan-na tzu jan pao hu chʻü (China) USE Jaguar XJ40 automobile BT Penaeidae [Former heading] Xkichmook Site (Mexico) Xiphopeneus kroyeri Xishuangbanna Nature Reserve (China) BT Mexico—Antiquities USE Seabob BT National parks and reserves—China Xkipché Site (Mexico) Xiphophorus (May Subd Geog) Natural areas—China BT Mexico—Antiquities [QL638.P73 (Zoology)] XIT Ranch (Tex.) XL computers [SF458.X58 (Aquarium fishes)] BT Ranches—Texas USE Atari XL computers UF Platypoecilus Xitshwa language Xlapak Site (Mexico) BT Poeciliidae USE Tswa language UF Lapak Site (Mexico) NT Platies Xitsonga language BT Mexico—Antiquities Swordtails (Fish) USE Tsonga language XLISP (Computer program language) Xiphophorus helleri Xitswa language [QA76.73.X] Xiphophorus maculatus USE Tswa language BT Programming languages (Electronic Xiphophorus brevia Xituan Shan culture (May Subd Geog) computers) USE Xiphophorus helleri [GN776.3.X58] XLMR (Disease) Xiphophorus guentheri UF Hsi-tʻuan shan culture [Former heading] USE X-linked mental retardation USE Xiphophorus helleri Xituanshan culture XLNET (Local area network system) Xiphophorus helleri (May Subd Geog) BT China—Antiquities BT Local area networks (Computer networks) [QL638.P73 (Zoology)] Neolithic period—China XM1 (Tank) [SF458.X58 (Aquarium fishes)] Xituanshan culture USE M1 (Tank) UF Green swordtail USE Xituan Shan culture Xmas Helleri Xiu family (Not Subd Geog) USE Christmas Xiphophorus brevia UF Tutul Xiu family XML (Document markup language) Xiphophorus guentheri Xiu River (China) [QA76.76.H94 (Computer science)] Xiphophorus jalapae UF Siao Ho (China) [Z678.93.X54 (Library automation)] Xiphophorus rachovi Siao River (China) UF Extendible Markup Language (Document Xiphophorus strigatus Xiu Shui (China) markup language) BT Swordtails (Fish) BT Rivers—China eXtensible Markup Language (Document Xiphophorus Xiu River Watershed (China) markup language) Xiphophorus jalapae BT Watersheds—China BT Document markup languages USE Xiphophorus helleri Xiu Shui (China) XML-based User Interface Language (Document Xiphophorus maculatus (May Subd Geog) USE Xiu River (China) markup language) [QL638.P73 (Zoology)] Xiushui He (China) USE XUL (Document markup language) [SF458.X58 (Aquarium fishes)] USE Xiushui River (China) Xne Nal Mewx Indians UF Moonfish Xiushui River (China) USE Snuneymuxw Indians Platy [Former heading] UF Hsiu-shui Ho (China) XNFS (Computer network protocol) Platypoecilus maculatus [Former heading] Hsiu-shui River (China) [Former heading] USE X Network Filing System (Computer network Poecilia maculata Xiushui He (China) protocol) Southern platyfish BT Rivers—China XO (Enzyme) BT Platies Xiushui River Watershed (China) USE Xanthine oxidase Xiphophorus UF Hsiu-shui River Watershed (China) [Former Xó (The Fon word) Xiphophorus rachovi heading] BT Fon dialect—Etymology USE Xiphophorus helleri BT Watersheds—China Xơ Đăng (Southeast Asian people) Xiphophorus strigatus Xivaro Indians USE Sedang (Southeast Asian people) USE Xiphophorus helleri USE Shuar Indians Xơ đeng (Hdang) (Southeast Asian people) Xiphorhynchus (May Subd Geog) Xivaro language USE Sedang (Southeast Asian people) [QL696.P24] USE Shuar language Xo deng (Southeast Asian people) BT Dendrocolaptidae Xive (Chinese people) USE Sedang (Southeast Asian people) Xiphosura (May Subd Geog) USE Sibo (Chinese people) !Xõ language (May Subd Geog) [QL447.7] Xive language UF Gxon language BT Merostomata USE Sibo language Hua-owani language NT Limulidae Xixabangma Feng (China) !Kõ language (Botswana and Namibia) Xiphosurus USE Xixabangma Peak (China) Koon language USE Limulus Xixabangma Peak (China) Magong language Xiphydriidae (May Subd Geog) UF Gosainthan (China) !Xong language (Botswana and Namibia) [QL568.X5] Gosaithan (China) BT Botswana—Languages UF Wood wasps Hsi-hsia-pang-ma feng (China) Namibia—Languages BT Hymenoptera Hsi-hsia-pang-ma Peak (China) [Former San languages Xiqiao Mountain (China) heading] Xoan UF Hsi-chʻiao Mountains (China) [Former heading] Kao-seng-tsan feng (China) USE Hát xoan Xiqiao Mountains (China) [Former heading] Mount Xixia Bangma (China) Xoana (May Subd Geog) Xiqiao Shan (China) Shisha Pangma (China) BT Idols and images—Greece BT Mountains—China Shishapangma Peak (China) Wood-carving—Greece Sisha Pangma (China)

X-8 Xoc Site (Mexico) Xris Cyborg (Fictitious character) (Not Subd Geog) Shangdigong (Chinese deity) UF Chac Site (Mexico) UF Tampambulous, Xris (Fictitious character) Shangdiye (Chinese deity) Xac Site (Mexico) Xris Tampambulous (Fictitious character) Shangdiyegong (Chinese deity) Xhac Site (Mexico) Xris Tampambulous (Fictitious character) Shuichang Shangdi (Chinese deity) BT Mexico—Antiquities USE Xris Cyborg (Fictitious character) Xiao Shangdi (Chinese deity) Xochicalco Site (Mexico) XS-1 (Supersonic plane) Xuandi (Chinese deity) BT Mexico—Antiquities USE Bell X-1 (Supersonic plane) Xuantian Dadi (Chinese deity) Xochimilco, Parque Natural (Mexico) XSL (Document markup language) Xuanwu (Chinese deity) USE Parque Natural Xochimilco (Mexico) UF Extensible Style Language (Document markup Xuanwu Dadi (Chinese deity) Xochiquetzal (Aztec deity) (Not Subd Geog) language) Xuanwudi (Chinese deity) BT Aztec goddesses Extensible Stylesheet Language (Document Yuandi (Chinese deity) Xochitécatl Site (Mexico) markup language) Yuantian Shangdi (Chinese deity) BT Mexico—Antiquities BT Document markup languages Yuanwudi (Chinese deity) Xocó Indians XSL Transformations (Computer program language) Zhenru Dashi (Chinese deity) USE Shocó Indians USE XSLT (Computer program language) Zhenwu (Chinese deity) [Former heading] Xodang (Southeast Asian people) XSLT (Computer program language) Zhenwu Dadi (Chinese deity) USE Sedang (Southeast Asian people) UF Extensible Stylesheet Language Zhenwu Dajiangjün (Chinese deity) Xodang language Transformations (Computer program Zhenwu Dijün (Chinese deity) USE Sedang language language) Zhenwu Shangdi (Chinese deity) Xokleng Indians XSL Transformations (Computer program Zhenwudi (Chinese deity) USE Shokleng Indians language) BT Gods, Chinese Xoko Indians BT Declarative programming languages Xuanwu (Chinese deity) USE Shocó Indians Xtacumbilxunaan Cave (Mexico) USE Xuantian Shangdi (Chinese deity) Xolalgidae (May Subd Geog) [F1435.1.X77 (Mayan antiquities)] Xuanwu Dadi (Chinese deity) [QL458.2.X65] UF Gruta de Xtacumbilxunaan (Mexico) USE Xuantian Shangdi (Chinese deity) UF Xolalgids BT Caves—Mexico Xuanwu Hu (China) BT Acariformes Mexico—Antiquities USE Xuanwu Lake (China) Xolalgids Xtemass Xuanwu Lake (China) USE Xolalgidae USE Christmas UF Hou Lake (China) Xolata Indians Xterra sport utility vehicle (Not Subd Geog) Lian Lake (China) USE Choroti Indians UF Nissan Xterra sport utility vehicle Xuanwu Hu (China) Xolo BT Nissan trucks BT Lakes—China USE Xoloitzcuintli Sport utility vehicles Xuanwudi (Chinese deity) Xoloitzcuintli (May Subd Geog) Xtiêng (Southeast Asian people) USE Xuantian Shangdi (Chinese deity) [SF429.X6] USE Stieng (Southeast Asian people) Xuch Site (Mexico) UF Mexican hairless dog, Standard XTP (Computer network protocol) [F1435.1.X8] Standard Mexican hairless dog USE Xpress Transfer Protocol (Computer network BT Mexico—Antiquities Xolo protocol) Xueba guo jia gong yuan (Taiwan) BT Hairless dogs !Xũ (African people) USE Shei-pa kuo chia kung yüan (Taiwan) Xoloitzcuintli in art (Not Subd Geog) USE !Kung (African people) Xuefeng Mountains (China) Xolota language !Xũ (!Kung) language UF Xuefeng Shan (China) USE Choroti language USE Ju/'hoan language BT Mountains—China Xolotlán Lake (Nicaragua) !Xũ language Xuefeng Shan (China) USE Managua, Lake (Nicaragua) USE Ju/'hoan language USE Xuefeng Mountains (China) !Xong language (Botswana and Namibia) !Xu language (Kung-Ekoka) Xuetes USE !Xõ language USE Kung-Ekoka language USE Chuetas Xonxon'ata Site (Calif.) Xu Xi hua pai Xuhwe (African people) USE Jonjonata Site (Calif.) USE Xu Xi school of painting USE Kxoe (African people) Xoom (Computer) (Not Subd Geog) Xu Xi school of painting Xuhwe language UF Motorola Xoom (Computer) UF Xu Xi hua pai USE Kxoe language BT Motorola computers BT Painting, Chinese—Tang-Five dynasties, 618- Xujia He Formation (China) Tablet computers 960 USE Xujiahe Formation (China) Xope language Painting, Chinese—Song-Yuan dynasties, 960- Xujiahe Formation (China) USE Chopi language 1368 UF Xujia He Formation (China) Xoquinoe Indians Xúa (Asian people) BT Formations (Geology)—China USE Lacandon Indians USE Giay (Asian people) Geology, Stratigraphic—Triassic Xorqu, Temple Ruins (China) Xuan (Musical instrument) Xukhwe (African people) USE Shikchin Temple Ruins (China) USE Xun (Musical instrument) USE Kxoe (African people) Xosa Xuan Loc, Battle of, Xuân Lộc, Long Khánh, Vietnam, Xukhwe language USE Xhosa (African people) 1975 USE Kxoe language Xosa (African people) BT Vietnam War, 1961-1975—Campaigns Xukru Indians USE Xhosa (African people) Xuan paper USE Xikrin Indians Xosa fiction USE Xuan zhi Xukuru language USE Xhosa fiction Xuan zhi (May Subd Geog) USE Kariri language Xosa language [TS1169] XUL (Document markup language) USE Xhosa language UF Chinese rice paper UF XML-based User Interface Language Xosa literature Rice paper, Chinese (Document markup language) USE Xhosa literature Xuan paper BT Document markup languages Xoşnaw (Kurdish tribe) (May Subd Geog) BT Chinese paper Xun (African people) UF Khoshnaw (Kurdish tribe) Xuancheng hua pai USE Kxoe (African people) Khūshnāw (Kurdish tribe) USE Xuancheng school of landscape painting Xun (Musical instrument) (May Subd Geog) BT Ethnology—Iraq Xuancheng school of landscape painting UF Hsüan (Musical instrument) [Former heading] Kurds UF Xuancheng hua pai Xuan (Musical instrument) [Former heading] XP (Computer science) BT Landscape painting, Chinese—Ming-Qing BT Flute USE eXtreme programming dynasties, 1368-1912 Musical instruments—China XP (Disease) Xuandi (Chinese deity) Xun da bei USE Xeroderma pigmentosum USE Xuantian Shangdi (Chinese deity) UF Xunda Cup XP-59A (Jet fighter plane) Xuantian Dadi (Chinese deity) BT Architecture—Awards—China USE Airacomet (Jet fighter plane) USE Xuantian Shangdi (Chinese deity) Xun language XPath (Computer program language) Xuantian Shangdi (Chinese deity) (Not Subd Geog) USE Kxoe language BT Programming languages (Electronic UF Beiji Dadi (Chinese deity) !Xun language (Kung-Ekoka) computers) Beiji Shangshenjün (Chinese deity) USE Kung-Ekoka language XPmas Beiji Xuantian Shangdi (Chinese deity) Xun music (May Subd Geog) USE Christmas Beiji Yousheng Zhenjün (Chinese deity) Here are entered compositions not in a specific Xpress Transfer Protocol (Computer network protocol) Chen-wu (Chinese deity) [Former heading] form or of a specific type for solo xun, and collections of compositions in several forms or types for solo UF XTP (Computer network protocol) Diyegong (Chinese deity) xun. BT Computer network protocols Hsüan-tʻien-shang-ti (Taoist deity) [Former SA headings for forms and types of music that XPS (X-ray photoelectron spectroscopy) heading] include "xun" and headings with medium of USE X-ray photoelectron spectroscopy Kaitian Dadi (Chinese deity) performance that include "xun" XR-12 (Reconnaissance aircraft) Kaitian Xiandi (Chinese deity) USE Republic XR-12 (Reconnaissance aircraft) Kaitian Yandi (Chinese deity) Kaitian Zhendi (Chinese deity)

X-9 Xunantunich Site (Belize) Thiazines Xylophone music (May Subd Geog) [F1435.1.X82] Veterinary drugs [M175.X6] BT Belize—Antiquities Xyleborus (May Subd Geog) Here are entered compositions not in a specific Xunda Cup [QL596.S35] form or of a specific type for solo xylophone, and collections of compositions in several forms or types USE Xun da bei BT Scolytidae for solo xylophone. !Xung language Xylem SA headings for forms and types of music that USE Kung-Ekoka language BT Plant cells and tissues include "xylophone" or "xylophones" and Xunkhwe (African people) Vascular system of plants headings with medium of performance that USE Kxoe (African people) NT Tracheary cells include "xylophone" or "xylophones" Xunkhwe language Xylene Xylophone with orchestra USE Kxoe language BT Aromatic compounds [M1038] Xunzal language NT Xylenol — Solo with piano USE Hunzib language Xylenol (May Subd Geog) [M1039] Xuquer River (Spain) UF Dimethylphenol Xylopia (May Subd Geog) USE Júcar River (Spain) BT Xylene [QK495.A6] Xuriguera, Joan Baptista, 1908-1987 Xyletinidae BT Annonaceae — Characters USE Anobiidae Xylorictidae (May Subd Geog) — — Joan Ventura Xylinidae [QL561.X9] Xurima Indians USE Noctuidae UF Xyloryctidae USE Waica Indians Xylitol BT Lepidoptera Xuthi (Asian people) BT Polyols Moths USE Jat (Asian people) Sugar substitutes NT Nephantis XV de Novembro Plaza (Porto Alegre, Rio Grande do Xylo-marimba Xylorimba (May Subd Geog) Sul, Brazil) USE Xylorimba UF Marimba-xylophone USE Praça XV de Novembro (Porto Alegre, Rio Xylocaine Xylo-marimba Grande do Sul, Brazil) USE Lidocaine BT Marimba Xvarshi language Xylococcus (May Subd Geog) Xylophone USE Khvarshi language [QL527.M37] Xylorimba music (May Subd Geog) Xvaršiuli language BT Margarodidae Here are entered compositions not in a specific USE Khvarshi language Xylocopa (May Subd Geog) form or of a specific type for solo xylorimba, and Xweda (African people) (May Subd Geog) [QL568.A53] collections of compositions in several forms or types [DT541.45.X84] BT Anthophoridae for solo xylorimba. UF Houeda (African people) NT Xylocopa pubescens SA headings for forms and types of music that Xweda-Gbe (African people) Xylocopa sulcatipes include "xylorimba" or "xylorimbas," and BT Ethnology—Benin Xylocopa pubescens (May Subd Geog) headings with medium of performance that Xweda-Gbe (African people) [QL568.A53] include "xylorimba" or "xylorimbas" USE Xweda (African people) BT Xylocopa Xyloryctes (May Subd Geog) XX (Group of artists) Xylocopa sulcatipes (May Subd Geog) [QL596.S3 (Zoology)] [N6967.5.X9] [QL568.A53] BT Scarabaeidae UF Vingt (Group of artists) BT Xylocopa NT Rhinoceros beetle RT Art, Belgian Xylocopidae Xyloryctes jamaicensis XX Settembre Street (Genoa, Italy) USE Anthophoridae USE Rhinoceros beetle USE Via Venti Settembre (Genoa, Italy) Xylographica Xyloryctidae XXI Aprile Condominium (Milan, Italy) USE Block books USE Xylorictidae USE Condominio Venti Uno Aprile (Milan, Italy) Xylography Xylosciara (May Subd Geog) XXX films USE Block books [QL537.S357 (Zoology)] USE Pornographic films Wood-engraving UF Plastosciara XY plotters Xylomidae BT Sciaridae UF Plotters, XY USE Stratiomyidae Xyloside BT Digital-to-analog converters Xylopagurus (May Subd Geog) BT Glycosides Xyela (May Subd Geog) [QL444.M33] Xylosma (May Subd Geog) [QL568.X7] BT Paguridae [QK495.F55] BT Xyelidae Xylophacos BT Flacourtiaceae Xyelidae (May Subd Geog) USE Astragalus (Plants) Xylylanthranilic acid [QL568.X7] Xylophasidae USE Mefenamic acid BT Hymenoptera USE Noctuidae Xynthia Storm, 2010 Sawflies Xylophilidae BT Cyclones NT Xyela USE Euglenidae Windstorms Xyelidae, Fossil (May Subd Geog) Xylophone (May Subd Geog) Xyrauchen (May Subd Geog) [QE832.H9] [ML1048 (History)] [QL638.C27 (Zoology)] BT Hymenoptera, Fossil [MT719-MT719.8 (Instruction)] BT Catostomidae Sawflies, Fossil UF Song bells NT Razorback sucker Xylamide Straw fiddle Xyrauchen texanus USE Proglumide BT Percussion instruments USE Razorback sucker Xylan endoxylosidases RT Marimba Xyridaceae (May Subd Geog) USE Xylanases Vibraphone [QK495.X9] Xylanases NT Amadinda BT Commelinales UF Endoxylanases Angklung NT Yelloweyed grass Xylan endoxylosidases Balo Xyris BT Glycosidases Heliphon USE Yelloweyed grass Xylans Menzan Xyris tennesseensis [QP702.X87] Sticcado pastorale USE Tennessee yelloweyed grass UF Polyxyloses Tingklik Xyrocharax BT Polysaccharides Xylorimba USE Cyphocharax Xylaria (May Subd Geog) Xylophone and harpsichord music (May Subd Geog) Xysticus (May Subd Geog) BT Xylariaceae [M284.X9 (Collections)] [QL458.42.T56] Xylariaceae (May Subd Geog) [M285.X9 (Separate works)] BT Thomisidae [QK623.X9] UF Harpsichord and xylophone music Xystodesmidae (May Subd Geog) BT Xylariales Xylophone and piano music [QL449.65.X9] NT Anthostomella [M284.X9 (Collections)] BT Polydesmida Hypoxylon [M285.X9 (Separate works)] NT Brachoria Rosellina UF Piano and xylophone music Cherokia Xylaria Xylophone and piano music, Arranged Deltotaria Xylariales (May Subd Geog) [M284.X9 (Collective)] Dixioria [QK623.X] [M285.X9 (Separate works)] Fontaria BT Pyrenomycetes Xylophone and piano music (Jazz) Pachydesmus NT Diatrypaceae USE Jazz Xystosomus (May Subd Geog) Phyllachoraceae Xylophone and piccolo music [QL596.C2 (Zoology)] Xylariaceae USE Piccolo and xylophone music BT Ground beetles Xylazine (May Subd Geog) Xylophone controller (Musical instrument) Xystramia BT Muscle relaxants USE Mallet controller (Musical instrument) USE Epigonus Sedatives

X-10 Xystroplites USE Lepomis XYZ Affair, 1797-1798 UF X Y Z Affair, 1797-1798 BT France—History—Directory, 1795-1799 United States—History—1797-1801

X-11