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United States National Museum 1 SMITHSONIAN INSTITUTION UNITED STATES NATIONAL MUSEUM Bulletin 201 A REVIEW OF THE MYSIDACEA OF THE UNITED STATES NATIONAL MUSEUM BY WALTER M. TATTERSALL UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 195 For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. - Price S1.00 (Paper) ADVERTISEMENT The scientific publications of the National Museum include two series known, respectively, as Proceedings and Bulletin. The Proceedings series, begun in 1878, is intended primarily as a medium for the publication of original papers, based on the collections of the National Museum, that set forth newly acquired facts in biology, anthropology, and geology, with descriptions of new forms and re- visions of limited groups. Copies of each paper, in pamphlet form, are distributed as published to libraries and scientific organizations and to specialists and others interested in the different subjects. The dates at which these separate papers are published are recorded in the table of contents of each of the volumes. The series of Bulletins, the first of which was issued in 1875, con- tains separate publications comprising monographs of large zoologi- cal groups and other general systematic treatises (occasionally in sev- eral volumes), faunal works, reports of expeditions, catalogs of type specimens, special collections, and other material of similar nature. The majority of the volumes are octavo in size, but a quarto size has been adopted in a few instances in which large plates were regarded as indispensable. In the Bulletin series appear volumes under the heading Contributions from the United States National Herbarium, in octavo form, published by the National Museum since 1902, which contain papers relating to the botanical collections of the Museum. The present work forms No. 201 of the Bulletin series. Remington Kellogg, Director, United States National Museum. CONTENTS Page Introduction 1 Systematic distribution 3 Geographical distribution 3 History of American Mysidacea 8 Systematic discussion 11 Class Crustacea 11 Subclass Malacostraca 11 Division Peracarida 11 Order Mysidacea 12 Suborder Lophogastrida 12 Family Lophogastridae G. O. Sars 12 Genus Chalaraspidum Willemoes-Suhm 13 Chalaraspidum alatum (Willemoes-Suhm) (A)' 14 Genus Lophogasler M. Sars 15 Key to the species of Lophogaster 16 Lophogaster typicus M. Sars 17 Lophogaster hawaiensis Fage 17 Lophogaster americanus Tattersall (A) 17 Lophogaster japonicus Tattersall 19 Lophogaster intermedins Hansen ? 20 Lophogaster sp. ? 20 Lophogaster spinosus Ortmann (A) 21 Lophogaster longirostris Faxon (A) 21 Genus Paralophogaster Hansen 22 Paralophogaster glaber Hansen (P) 1 22 Paralophogaster atlanticus Tattersall (A)__ 24 Genus Gnathophausia Willemoes-Suhm 25 Gnathophausia ingens (Dohrn) (A) (P) 25 Gnathophausia gigas Willemoes-Suhm (A) _ 26 Gnathophausia gracilis Willemoes-Suhm (A) (P) . 28 Gnathophausia longispina G. O. Sars (P)-. 28 Gnathophausia zoea Willemoes-Suhm (A) (P) 29 Gnathophausia zoea var. scapularis Ort- mann (A) 31 Gnathophausia elegans G. O. Sars (P) 31 Family Eucopiidae Dana 32 Genus Eucopia Dana 32 Eucopia sculpticauda Faxon (A) 32 Eucopia australis Dana (A) 33 Eucopia major Hansen (A) 33 Eucopia unguiculata (Willemoes-Suhm) (A) (P) 34 '"A" designates American species; "P," Albatross Philippine species. in IV BULLETIN 201, UNITED STATES NATIONAL MUSEUM Class Crustacea—Continued Subclass Malacostraca—Continued Division Peracarida—Continued Order Mysidacea—Continued Page Suborder Mysida 35 Family Petalophthalmidae Czerniavsky 35 Genus Petalophthalmus Willemoes-Suhm 35 Petalophthalmus armiger Willemoes-Suhm (A) i 35 Petalophthalmus oculatus Illig (A) 40 Genus Hansenomysis Stebbing 43 Hansenomysis fyllae (Hansen) (A) 43 Genus Scolophthalmus Faxon 43 Scolophthalmus lucifugus Faxon (A) 43 Genus Ceratomysis Faxon 43 Ceratomysis spinosa Faxon (A) 43 Family Mysidae Dana 45 Subfamily Boreomysinae 45 Genus Boreomysis G. 0. Sars 45 Boreomysis inermis (Willemoes-Suhm) (A) 46 Boreomysis nobilis G. O. Sars (A) 47 Boreomysis tridens G. O. Sars (A) 48 Boreomysis arctica (Kr0yer) (A) 49 Boreomysis sibogae Hansen 51 Boreomysis californica Ortmann (A) 52 Boreomysis fragilis Hansen (A) 55 Boreomysis obtusata G. O. Sars 55 Boreomysis microps G. 0. Sars (A) 55 Boreomysis rostrata Illig ? (A) 56 Subfamily Siriellinae 60 Genus Siriella Dana 60 Siriella thompsonii (H. Milne-Edwards) (A) (P)» 60 Siriella gracilis Dana (A) (P) 62 Siriella vulgaris Hansen (P) 62 Siriella vulgaris var. rostrata Tattersall (P)_ 63 Siriella affinis Hansen (P) 64 Siriella inornata Hansen (P) 65 Siriella media Hansen (P) 65 Siriella chierchiae Coifmann (A) 66 Siriella pacifica Holmes (A) 70 Siriella roosevelti Tattersall (A) 72 Siriella panamensis Tattersall (A) 76 Siriella aequiremis Hansen (A) (P) 78 Siriella anomala Hansen (P) 79 Siriella distinguenda Hansen (P) 79 Siriella dubia Hansen (P) 79 Genus Hemisiriella Hansen 80 Hemisiriella parva Hansen (P) 80 Hemisiriella abbreviata Hansen 80 Subfamily Gastrosaccinae 80 Genus Archaeomysis Czerniavsky 81 Archaeomysis grebnitzkii Czerniavsky (A)_ 81 Archaeomysis maculata (Holmes) (A) 86 1 "A" designates American species ; "P," Albatross Philippine species. CONTENTS V Class Crustacea—Continued Subclass Malacostraca—Continued Division Peracarida—Continued Order Mysidacea—Continued Suborder Mysida—Continued Family Mysidae Dana—Continued Subfamily Gastrosaccinae—Continued Page Genus Gastrosaccus Norman 89 Gastrosaccus spinifer (Goes) 90 Gastrosaccus sanctus (van Beneden) 90 Gastrosaccus pacificus Hansen (P) J 90 Gastrosaccus sp. ? 90 Gastrosaccus indicus Hansen (P) 90 Gastrosaccus philippinensis Tattersall (P). 90 Gastrosaccus johnsoni Tattersall (A) 93 Gastrosaccus dissimilis Coifmann (A) 97 Gastrosaccus mexicanus Tattersall (A) 1 98 Genus Anchialina Norman and Scott 100 Anchialina typica (Kr0yer) (A) (P) 100 Anchialina grossa Hansen (P) 102 Anchialina obtusifrons Hansen (P) 102 Anchialina penicillata Zimmer (P) 103 Anchialina zimmeri Tattersall (P) 103 Anchialina agilis (G. O. Sars) 105 Subfamily Mysinae 105 Tribe Erythropini 105 Genus Holmesiella Ortmann 106 Holmesiella anomala Ortmann (A) 106 Genus Erythrops G. O. Sars 110 Erythrops erythrophthalma (Goes) (A) 110 Erythrops microps G. O. Sars (A) 111 Erythrops abyssorum G. O. Sars (A) 111 Erythrops yongei Tattersall (P) 111 Genus Euchaetomera G. O. Sars 112 Euchaetomera typica Tattersall (A) 112 Euchaetomera tenuis G. O. Sars (A) 112 Euchaetomera plebeja Hansen (A) 112 Genus Meterythrops S. I. Smith 113 Meterythrops picta Holt and Tattersall (A). 113 Meterythrops robusta S. I. Smith (A) 113 Meterythrops microphthahna Tattersall 113 Genus Metamblyops Tattersall 116 Metamblyops macrops Tattersall (A) 116 Genus Katerylhrops Holt and Tattersall 118 Katerythrops oceanae Tattersall (A) 118 Genus Hypererylhrops Holt and Tattersall 118 Hypererythrops caribbaea Tattersall (A) 118 Genus Longithorax Illig 120 Longithorax capensis Zimmer (A) 120 Genus Gibberythrops Illig 122 Gibber ythr ops acanthur a (Illig) (P) 122 Gibberythrops philippinensis Tattersall (P). 122 Genus Synerythrops Hansen 124 Synerylhrops cruciata Tattersall (A) 124 1 "A" designates American species ; "P," Albatross Philippine species. — VI BULLETIN 201, UNITED STATES NATIONAL MUSEUM Class Crustacea—Continued Subclass Malacostraca—Continued Division Peracarida—Continued Order Mysidacea—Continued Suborder Mysida—Continued Family Mysidae Dana—Continued Subfamily Mysinae—Continued Tribe Erythropini—Continued Page Genus Dactylerythrops Holt and Tattersall 126 Dactylerythrops bidigitata Tattersall (A) 126 Genus Dactylamblyops Holt and Tattersall 126 Dactylamblyops sp. ? (A) 126 Genus Amblyops G. O. Sars 128 Amblyops abbreviata (G. O. Sars) (A) 128 Amblyops sp. 1 (A) 130 Amblyops sp. ? (A) 130 Amblyops ohlinii Tattersall (A) 130 Genus Paramblyops Holt and Tattersall 132 Paramblyops rostrata Holt and Tattersall (A) 132 Genus Pseudomma G. O. Sars 132 Pseudomma affine G. O. Sars (A) 132 Pseudomma roseum G. 0. Sars (A) 132 Pseudomma truncatum S. I. Smith (A) 134 Pseudomma berkeleyi Tattersall (A) 135 Pseudomma sp. ? (A) 135 Pseudomma oculospinum Tattersall (A) 135 Genus Caesaromysides Colosi 137 Caesaromysides liguriae Colosi (A) 137 Genus Michthyops Tattersall 137 Michthyops parva (Vanhoffen) (A) 137 Tribe Leptomysini 138 Genus Leptomysis G. O. Sars 138 Leptomysis gracilis G. O. Sars 138 Leptomysis mediterranea G. O. Sars 138 Genus Mysidopsis G. O. Sars 138 Key to the American species of Mysidopsis. 138 Mysidopsis angusta G. 0. Sars _ 139 Mysidopsis gibbosa G. 0. Sars 139 Mysidopsis acuta Hansen (A) 139 Mysidopsis bigelowi Tattersall (A) 139 Mysidopsis inermis Coifmann (A) 142 Mysidopsis californica Tattersall (A) 142 Mysidopsis morlenseni Tattersall (A) 145 Genus Metamysidopsis Tattersall 146 Metamysidopsis munda (Zimmer) (A) 147 Metamysidopsis elongata (Holmes) (A) 149 Metamysidopsis pacifica (Zimmer) (A) 151 Genus Promysis Dana 151 Promysis orientalis Dana (P) 151 Promysis atlantica Tattersall (A) 152 Genus Doxomysis Hansen 152 Doxomysis quadrispinosa (Illig) (A) (P)_. 152 Doxomysis microps Colosi (A) 153 1 "A" designates American species ; "P," Albatross Philippine species. —. CONTENTS Vn Class Crustacea—Continued Subclass Malacostraca—Continued Division Peracarida—Continued Order Mysidacea—Continued Suborder Mysida—Continued Family Mysidae Dana—Continued Subfamily Mysinae—Continued Tribe Leptomysini—Continued Page Genus Bathymysis Tattersall 153 Bathymysis renoculata Tattersall (A) ' 153 Genus Pseudomysis G. O.
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