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Proceedings of the Biological Society of Washington 1 5nH.0(/i2> PROCEEDINGS OP THE Biological Society of Washington VOLUME 62 1949 ^ N0V131949 WASHINGTON PRINTED FOR THE SOCIETY COMMITTEE ON PUBLICATIONS HERBERT FRIEDMANN, Chairman REMINGTON KELLOGG E. P. KILLIP J. S. WADE PUBLICATION NOTE By a change in the By-Laws of the Biological Society of Washington, effective March 27, 1926, the fiscal year now begins in May, and the officers will henceforth hold office from May to May. This, however, wiU make no change in the volumes of the Proceedings, which wiU continue to coincide with the calendar year. In order to furnish desired infor- mation, the title page of the current volume and the list of newly elected officers and committees will hereafter be published soon after the annual election in May. All correspondence should be addressed to the Biological Society of Washington, c/o U. S. National Museum, Washington, D. C. MONUMBlNTAIi PRINTING CO. Bai/timoius, Md. WOV 1 6 1949 OFFICERS AND COUNCIL OF THE BIOLOGICAL SOCIETY OF WASHINGTON (FOR 1949-1950) (ELECTED MAY 14, 1949) OFFICERS President F. C. LINCOLN Vice-Presidents (In the order of election) J. E. BENEDICT, Jr. H. G. DEIGNAN W. A. DAYTON HUGH T. O'NEIL Recording Secretary S. F. BLAKE Corresponding Secretary DAVID H. JOHNSON Treasurer ALLEN J. DUVALL COUNCIL Elected Members MALCOLM DAVIS H. J. DEASON H. A. BORTHWICK L. W. SWIFT W. H. STICKEL Ex-Presidents J. W. ALDRICH H. C. OBERHOLSER PAUL BARTSCH T. S. PALMER C. E. CHAMBLISS S. A. ROHWER A. D. HOPKINS J. S. L. 0. HOWARD WADE H. B. HUMPHREY E. P. WALKER H. H. T. JACKSON A. WETMORE STANDING COMMITTEES—1949-1950 Committee on Communications Malcolm Davis, Chairman R. M. GiLMORB Hugh T. O'Neil Lloyd W. Swipt Committee on Zoological Nomenclature Austin H. Clark, Chairman Paul Bartsoh H. H. T. Jactkson A. Wetmore C. F. W. MUESEBECK Committee on Publications Herbert Friedmann, Chairman Remington Kellogg E. P. Killip J. 8. Wade Trustees of Permanent Funds J. E. Graf (1949-1950), Chairman F. C. Lincoln (1948-1950) S. F. Blake (1948-1950) (iii) EX-PRESIDENTS OF THE BIOLOGICAL SOCIETY OF WASHINGTON *Theodore N. Gill, 1881, 1882 * Charles A, White, 1883, 1884 *G. Brown Goode, 1885, 1886 William H. Dahl, 1887, 1888 Lester F. Ward, 1889, 1890 *C. Hart Merriam, 1891, 1892 *C. V. Riley, 1893, 1894 *Geo. M. Sternberg, 1895, 1896 L. 0. Howard, 1897, 1898 Frederick V. Coville, 1899, 1900 *F. A. Lucas, 1901, 1902 B. W. EvERMANN, 1903, 1904 F. H. Knowlton, 1905, 1906 •L. Stejneger, 1907, 1908 T. S. Palmer, 1909, 1910 David White, 1911 E. W. Nelson, 1912, 1913 Paul Bartsch, 1914, 1915 W. P. Hay, 1916, 1917 J. N. Rose, 1918 Hugh M. Smith, 1919 A. D. Hopkins, 1920 *N. Hollister, 1921 Vernon Bailey, 1922 A. S. Hitchcock, 1923 J. W. GiDLEY, 1924 S. A. RoHWER, 1925 H. C. Oberholser, 1926-1927 E. A. Goldman, 1927-1929 Alexander Wetmore, 1929-1931 H. H. T. Jackson, 1931-1933 C. E. Chambliss, 1933-1936 H. C. Fuller, 1936-1938 W. B. Bell, 1938-1940 E. P. Walker, 1940-1942 H. B. Humphrey, 1942-1944 F. Thone, 1944-1946 J. S. Wade, 1946-1947 * Deceased. (17) ^^"^^ 7 7i ^ L^l^ TABLE OF CONTENTS. Officers and Gommittees for 1949 i-iv Proceedings for 1949 ix-xii A new Name for the Genotype of Walehia Ewing (Acarina: Trombieulidae), by Henry S. Fuller 1-2 A New Genus and Four New Species in the Diplopod Fam- ily Xystodesmidae, by Ralph V. Chamberlin 3-6 A New Family in the Diplopod Order Chordeumida, by Ralph V. Chamberlin 7-8 A New Race of the Southern Indian Green Pigeon, by S. Dillon Ripley _.... 9-10 Generic Names of the Four-eyed Pouch Opossum and the Woolly Opossum (Didelphidae), by Philip Hershkovitz.- 11-12 Technical Names of the African Muishond (Genus Zorilla) and the Colombian Hog-nosed Skunk (Genus Conepatus), by Philip Hershkovitz 13-16 A New Crayfish of the Genus Orconectes from the Nashville Basin in Tennessee, with Notes on the Range of Orco- nectes compressus (Faxon) (Decapoda, Astacidae), by Horton H. Hobbs, Jr 17-24 A New House Finch from the Palouse Country of the Northwestern United States, by John W. Aldrich 29-30 Two New Coyotes from the United States, by Hartley H. T. Jackson 31-32 Eight New Birds from the Subtropical Zone of the Paria Peninsula, Venezuela, by William H. Phelps and Wil- liam H, Phelps, Jr 33-44 Descripiions of Some Undescribed Forms Belonging to Two Little Known Species of the Family Aphididae, by F. C. Hottes : 45-52 Descriptions of the Sexual Forms of Some Species of Aphididae, by F. C. Hottes 53-56 Geographic Variation in the Ribbed Frog, Ascaphus truei, by M. B. Mittleman and George S. Myers 57-68 A New Loach of the Genus Acanthophthalmus from Siam, by Robert R. Harry 69-72 On a Collection of Sea-stars from the Philippine Islands, by Austin H. Clark . 73-78 Three New Species of Diplopoda from Virginia, by Richard L. Hoffman : 81-88 Aftt i»f*V*ieVf , a/.^^ OWlftN INS?/r^-,.^ (V) ''«.,^\X 1350 JUHl;. ) „,^ vi Proceedings of the Biological Society of Washington American Caudata. VI. The Races of Euryeea bislineata, by M. B. Mittleman 89-96 Remarks on the Genus Ochetorhynchus Meyen, by Alexander Wetmore 97-100 A New Race of Pipilo fuscus from Mexico, by Robert T. Moore and James L. Peters . ._ 101-102 A New Hummingbird of the Genus Lophornis from South- ern Mexico, by Robert T. Moore 103-104 A New Species Belonging to the Genus Myzocallis (Aphi- didae), by F. C. Hottes 105-108 Eleven New Subspecies of Birds from Venezuela, by Wil- liam H. Phelps and Y/illiam H. Phelps, Jr 109-124 Some Western Millipeds of the Family Chelodesmidae, by Ralph V. Chamberlin 125-132 Cavies of Southern Peru, by Colin Campbell Sanborn 133-134 Some Recent Collections of Plethodon from Virginia with the Description of a New Form, by Arnold B. Grobman„ 135-142' A New Pocket Gopher from Southeastern Utah, by Keith R. Kelson 143-146 A New Drymaria (Caryophyllaeeae) from Mexico, by F. R. Fosberg 147-148 A New Subspecies of Cotton Rat, Sigmodon hispidus, from Michoacan, Mexico, by E. Raymond Hall 149-150 A New Brunfelsia from Brazil, by C. V. Morton 151-152 A New Subspecies of Funnel -eared Bat (Natalus Mexi- canus) from Eastern Mexico, by W. W. Dalquest and E. Raymond Hall 153-154 Two New Orioles from the Philippines, by E. T. Gilliard 155-158 Some Obscure Aphid Species, by F. C. Hottes 159-160 An Additional Form of the South American Grasshopper Span^ow, by Alexander Wetmore 161-162 A New Harvest Mouse from Michoacan, Mexico, by E. Ray- mond Hall and Bernardo Villa R 163-164 A New Trimetopon (Ophidia) from Guatemala, b}^ L. C. Stuart 165-168 A New Subspecies of Harvest Mouse (Reithrodontomys) from Central America, by Emmet T. Hooper 169-172 A New Race of Railus nigricans from Colombia, by Board- man Conover 173-174 A New Race of Ptarmigan in Alaska, by Ira N. Gabrielson and Frederick C. Lincoln 175-176 Two New Species of Saldidae (Hemiptera) from Western United States, by C. J. Drake and F. C. Hottes 177-184 Seven New Subspecies of Birds from Venezuela, by William H. Phelps and William H. Phelps, Jr 1 185-196 Contents vii The Committee on Publications declares that each paper of this volume was distributed on the date indicated on its initial page. The contents, minutes of meetings, and index for 1949 (pp. v-xii, 197- 206) were issued on May 11, 1950. The title page and lists of offi- cers and committees for 1948-1949 (pp. i-iv) were issued on No- vember 16, 1949. PLATES. Plate I, page 5. New Diplopods of the family Xystodesmidae. Plate II, page 8. Ergethus perditus. Plate III, page 25. Orconectes rhoadesi. Plate IV, page 43. Map of Venezuela/. Plate V, page 87. New Diplopods from Virginia. Plate VI, page 96. Distribution of Eurycea bislineata. Plate VII, page 123. Map of Venezuela. Plate VIII, page 126. Millipeds of the family Chelodesmidae. Plate IX, page 150. Skull of Sigmodon hispidus atratus. Plate X, page 181. Two new specimens of Saldidae. Plate XI, page 193. Map of Venezuela. Society Washington Vllliii Proceedings of the Biological of Vol. 62, pp. ix-xii PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON PROCEEDINGS The Society meets from October to May on the second Satur- day of each month at 8 P.M. All regular meetings during 1949 were held in Room 43 of the IT. S. National Museum except the 984th meeting, held in the National Museum audi- torium. 979th Meeting—January- 8, 1949 President Aldrich in the chair ; 72 persons present. Informal Communications: Malcolm Davis, Note on the observation of a European ruff; Lorina Wendt, Note on the observation of crossbills at Lebanon, Virginia. Formal Communimtion: Richard B. Griffith, Conservation of Alaska's wildlife resources. 980th Meeting—February 12, 1949 President Aldrich in the chair; 74 persons present. New members elected: Ethan D. Churchill, E. Thomas Gilliard. Informal Communications: Mr. Owen, Note on observation of a seal in upper Chesapeake Bay; J. W. Aldrich, Note on the nesting of the barn owl in the Smithsonian tower. Formal Communication: Reese I. Sailer, The bloodsucking insects of Alaska. 981st Meeting—March 12, 1949 President Aldrich in the chair ; 64 persons present. Informal Communication: Frank Thone, Exhibition of new books on biological subjects. Formal Communication: Robert F. Black, Geology of Alaska and its biological significance. (ix) — : X Proceedings of the Biological Society of Washington 982d Meeting—April 9, 1949 President Aldrich in the chair ; 74 persons present.
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