The Project Gutenberg EBook of A New Pocket Mouse (Genus Perognathus) from Kansas, by E. Lendell Cockrum This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: A New Pocket Mouse (Genus Perognathus) from Kansas Author: E. Lendell Cockrum Release Date: January 22, 2010 [EBook #31046] Language: English Character set encoding: ASCII *** START OF THIS PROJECT GUTENBERG EBOOK NEW POCKET MOUSE (GENUS PEROGNATHUS) *** Produced by Chris Curnow, Joseph Cooper, Diane Monico, and the Online Distributed Proofreading Team at http://www.pgdp.net A New Pocket Mouse (Genus Perognathus) from Kansas BY E. LENDELL COCKRUM University of Kansas Publications Museum of Natural History Volume 5, No. 11, pp. 203-206 December 15, 1951 University of Kansas LAWRENCE 1951 UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors: E. Raymond Hall, Chairman, A. Byron Leonard, Edward H. Taylor, Robert W. Wilson Volume 5, No. 11, pp. 203-206 December 15, 1951 UNIVERSITY OF KANSAS Lawrence, Kansas PRINTED BY FERD VOILAND, JR., STATE PRINTER TOPEKA, KANSAS 1951 23-8186 A New Pocket Mouse (Genus Perognathus) from Kansas BY E. LENDELL COCKRUM In studying the kinds of mammals known from Kansas, I had occasion to examine a series of _Perognathus flavus_ from the western part of the state. Comparisons of these specimens with topotypes of named subspecies revealed that the specimens from Kansas belong to a heretofore undescribed subspecies which ranges through western Nebraska, eastern Colorado, western Kansas, and western Oklahoma. This subspecies is named and described as follows. =Perognathus flavus bunkeri=, new subspecies _Type._--Female, adult, skin and skull; No. 11716, Univ. Kansas Mus. Nat. Hist.; Conard Farm, 1 mi. E Coolidge, Hamilton County, Kansas; 1 July 1936; obtained by F. Parks and C. W. Hibbard, original No. 894 of Hibbard. _Diagnosis._--Size large (see measurements). Color light, upper parts between Pinkish Buff and Cinnamon-Buff (capitalized color terms after Ridgway, Color Standards and Color Nomenclature, Washington, D. C., 1912), sparsely mixed with black hairs; the effect at a distance of eight feet, is between Clay Color and Tawny-Olive; lateral line between Pinkish Buff and Cinnamon-Buff; postauricular spots near Pinkish Buff; small subauricular spots white; underparts white. Skull of medium size (see measurements); frontonasal and mastoidal regions much enlarged; interparietal transversely narrow. _Comparisons._--From topotypes of _P. f. flavus_ from El Paso, El Paso County, Texas, _P. f. bunkeri_ differs as follows: Averaging larger in all cranial measurements taken except in occipitonasal length, which is approximately the same, and in interparietal width, which is less; color more buffy, with fewer black hairs dorsally. From topotypes of _P. f. piperi_ from 23 miles southwest of Newcastle, Weston County, Wyoming, _P. f. bunkeri_ differs as follows: Smaller in frontonasal length, mastoidal breadth, and length of auditory bulla; color more buffy, with fewer black hairs dorsally. From topotypes of _P. f. sanluisi_ from nine miles east of Center, Alamosa County, Colorado, _P. f. bunkeri_ differs as follows: Averaging larger in all cranial measurements taken except interparietal width, which is smaller; color lighter and more buffy. _Remarks._--This is a brightly colored subspecies of _Perognathus flavus_, with less black dorsally than any adjacent one. The lateral line is well marked. Three young adult specimens taken from Wakeeney, Trego County, Kansas, are much brighter than other specimens from Kansas. The five specimens from Greeley, Weld County, Colorado, are much darker dorsally, like _P. f. piperi_, but are referable to _P. f. bunkeri_ on the basis of cranial characters. The name _P. f. bunkeri_ is proposed in recognization of the continued attention which the late Charles Dean Bunker, Curator of Birds and Mammals of the University of Kansas Museum of Natural History, gave to building up the collection of mammals from Kansas. Acknowledgment is made of the assistance afforded me by a Research Assistantship with the Kansas Biological Survey. _Measurements._--Measurements of holotype and average of four adults (two males and two females) from the type locality are as follows: total length, 104, 105.2; length of tail, 44, 47.5; length of hind foot, 16, 16.7; length of ear, 7, 7.2; occipitonasal length, 20.6, 20.9; frontonasal length, 14.0, 13.9; mastoidal breadth, 12.1, 12.0; length of bulla, 8.0, 7.8; interorbital breadth, 4.5, 4.6; alveolar length of upper molariform tooth-row, 3.3, 3.1; interparietal width, 3.2, 3.2. All of the measurements listed above are available for each of the five specimens except that the occipitonasal length and frontonasal length are not available for the two males. _Specimens examined._--Total, 54, distributed by localities of capture as shown below. Those from Nebraska and Colorado are in the US Nat'l Mus., Biol. Surv. Coll., and those from Kansas are in the Univ. Kansas Mus. Nat. Hist. NEBRASKA:--_Box Butte Co._: Alliance, 1. COLORADO:--_Weld Co._: Greeley, 5. _Kit Carson Co._: Burlington, 1. _Fremont Co._: Canon City, 1. KANSAS:--_Cheyenne County_: 23 mi. [by road] NW St. Francis, 1. _Rawlins County_: 12 mi. NE McDonald, 1; 2 mi. NE Ludell, 1. _Decatur County_: 2 mi. S, 6 mi. W Oberlin, 1. _Logan County_: Vincent Ranch, N. Fork Smoky R., [= 4 mi. W and 8 mi. N McAllaster], 2; unspecified, 1. _Gove County_: Castle Rock, 1. _Trego County_: Wakeeney, 3. _Hamilton County_: 1 mi. E Coolidge, 8. _Stanton County_: 6 mi. W, 1-1/2 mi. S Manter, 1; 8-1/2 mi. W, 2-1/2 mi. S Manter, 1. _Kiowa County_: Rezeau Ranch, 5 mi. N Belvidere, 1. _Morton County_: 9 mi. N, 3 mi. E Elkhart, 18. _Meade County_: 9 mi. SW Meade, 1; 17 mi. SW Meade, 2. _Clark County_: Stephenson Ranch, 7 mi. S Kingsdown, 1. OKLAHOMA:--_Texas County_: 2 mi. E Eva, 1. _University of Kansas, Museum of Natural History, Lawrence, Kansas._ _Transmitted May 14, 1951._ 23-8186 * * * * * Transcriber's Notes Page 205: Changed underscribed to undescribed (belong to a heretofore underscribed subspecies). Bold text is shown within =equal signs=. Italic text is shown within _underscores_. End of the Project Gutenberg EBook of A New Pocket Mouse (Genus Perognathus) from Kansas, by E. Lendell Cockrum *** END OF THIS PROJECT GUTENBERG EBOOK NEW POCKET MOUSE (GENUS PEROGNATHUS) *** ***** This file should be named 31046.txt or 31046.zip ***** This and all associated files of various formats will be found in: http://www.gutenberg.org/3/1/0/4/31046/ Produced by Chris Curnow, Joseph Cooper, Diane Monico, and the Online Distributed Proofreading Team at http://www.pgdp.net Updated editions will replace the previous one--the old editions will be renamed. 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