830 BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



Record and measurements oj IS specimens oj CUellus mexicanvs parvidens. 



Museum num- 

 ber. 



63073 



I ;: :n7 4 

 M 1651 

 63075 

 63076 

 63077 



84603 

 84830 

 84625 

 84626 

 84 '.'J 7 

 84831 

 111628 

 111629 

 111630 

 11163.1 

 111632 

 L11633 



63074 

 1 1 1651 

 G3076 

 63076 

 63077 



2313 

 2315 

 2321 

 2329 



2:;:;2 



Locality. 



1S94. 



Fori Clark. Kinney County, 

 Texas Mar. 21 



do <1" .. . 



do Mar. 27 



..do. 

 ..do. 

 .do 



..do. 

 ..do 



Apr. l") 



\ it. 24 



May is 



1898. 



Mar. 19 



Apr. 11 



...do \pr. 12 



. ..do do . . . 



. . .do do ... 



...do Apr. 13 



. . .do rune :> 



...do do ... 



. ..do June 4 



...do do... 



.do 

 .do 



June 6 

 ...do... 



u ' ad. 

 '»?ad. 



'ad. 

 'ad. 

 9 ad. 



•' f ad. 



5 ad. 



' ad. 



> ad. 



:f ad. 

 9 ad. 

 $ ad. 

 d ad. 

 9 ad. 

 9 im. 

 cfad. 

 9 im. 

 ' ad. 



mm. 

 325 



302 

 290 

 280 



300 



272 



in in. 

 Kid 



303 125 

 310 us 

 303 124 



mm. 

 II 



12 

 39 



41 

 III 

 12 



12.'5 

 124 



105 

 95 

 106 





mm. 



::. :> 

 :;. :. 

 4 



4.5 

 ::. 8 



1.5 



a Iris hazel. Typt . 



b Bead and body, 180 mm. 



■■ Head and body, 143mm. 



''Collected by Louis di Zerega M earns. 



Subgenus XEROSPERMOPHILUS Merriam. 



Xerospermophilus Merriam, Proc. Biol. Sue. AYashington, VII, p. 27, Apr. 13, 

 1893 (original description). — Elliot, Field Col. Mus., Zool. Ser., II, 

 1901, p. it.") (Synop. Mam. X. Am.); IV, 1904, p. 143, fig. 25 (Mam. Mid. 

 Am.).— Miller and Kehx, Proc. Bost. Soc. Nat. Hist., XXX, No. 1, Dec 27. 

 1901 p. 4ti, footnote (Syst. Results Study X. Am. Mam. to close of L900). 



Characters. Small-sized, slender ground-squirrels, usually having 

 the tail loss than half the length of the head and body. Skull short, 

 broad, and highly arched; broad interorbitally; rostrum short* nasals 

 broad; audital bullae very large; and postpalatal notch long and narrow. 



