(iSO BULLETIN 56, UNITED STATES NATIONAL MUSEUM. 



h'ei'itrd and mmxuremeids (if -'■'>' spi'ciiiicitK (if (,'ilellns vicjiramix /irirrideiiK. 



Museum num- 

 ber. 



63073 



63074 

 114651 

 63075 

 63076 

 63077 



84603 

 84830 

 84625 

 84626 

 84627 

 84831 

 111628 

 111629 

 111630 

 111631 

 111632 

 111033 



63073 



63074 

 114651 

 63075 

 63076 

 63077 



84603 

 Alcoholic 

 84626 

 84626 

 84627 

 Alcoholic 

 111628 

 111629 

 111630 

 111631 

 111632 

 111633 



2313 

 2315 

 2321 

 2329 

 2332 



4303 

 4364 

 4367 

 4368 

 4369 

 4376 

 r'U 

 rf45 

 rf46 

 rf47 

 rf48 

 rf49 



Localily. 



2312 Fort Clark, Kinney County, 

 Texas 



-do. 

 .do. 

 -do. 

 -do. 

 .do. 



.do. 

 .do. 

 -do. 

 -do. 

 .do. 

 .do. 

 .do. 

 -do. 

 -do- 

 -do. 

 .do. 

 .do- 



1894. 

 Mar. 21 

 ...do-.. 

 Mar, 27 

 Apr. 15 

 Apr. 24 

 May 18 



1898. 

 Mar. 19 

 Apr. U 

 Apr. 12 

 ..--do-.. 

 ....do.-. 

 Apr. 13 

 June 3 

 .-..do--. 

 June 4 

 ....do... 

 June 6 

 ....do... 



mm. 

 325 



310 



302 

 290 

 280 

 300 

 272 



mm, 

 130 



125 

 -118 

 124 



123 

 124 

 105 

 95 

 106 



mm. 

 44 

 42 

 39 

 41 

 40 

 42 



og 



mm,. 

 3.5 

 3.5 

 4 



4.6 

 3.8 

 4,5 



alris hazel. Type. 



6 Head and body, 180 mm. 



cHead and body, 143 mm. 



rf Collected by Louis di Zerega Mearns. 



Subgenus XEBOSFEBMOFHILUS Merriam. 



Xerospermophilus Merkiam, Proc. Biol. Soc. Washington, VII, p. 27, Apr. 13, 

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

 1901, p. 95 {Synop. Mam, N. Am.)j IV, 1904, p. 143, fig. 25 (Mam. Mid. 

 Am.). — Miller and Keen, Proc. Best. Soc. Nat. Hist., XXX, No. 1, Dee. 27, 

 1901 p. 46, footnote (Syst. Results Study N. Am. Mam. to close of 1900). 



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

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

 broad, and highly arched; broad intei'orbitally; rostrum short; nasals 

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



