Vol. IX] TAYLOR— COOPER'S MAMMALS 113 



Specimens examined. — Two: Nos. 5618, 5619, Univ. Calif. 

 Mus. Vert. Zool. No. 5618: obverse of label "Say's Striped 

 Squirrel, [printed strip pasted on over Cooper's handwritten 

 name Spermophilus lateralis'] 9 1104 Tahoe valley, Cal. Sept. 

 14 '63 J. G. C." ; on reverse side of label appear eleven meas- 

 urements and another printed slip bearing the name "Spermo- 

 philus lateralis, Rich." No. 5619 : obverse of label "Spermo- 

 philus lateralis 5 Taho Valley Cal Sept. 15 '63 J. G. C"; 

 reverse, ten measurements. 



Specimens prepared with skulls inside, fore feet folded back 

 on breast, hind feet forward beneath body, tail not skinned, 

 disposed straight out behind, skins in good condition. 



Ammospermophilus leucurus leucurus (Merriam) 



"S[permophilus] Harrisi" Cooper, Zoology, in Cronise, The 

 Natural Wealth of California, 1868, p. 443 (". . . found 

 only in the desert plains of the southeast part of the State"). 



"Spermophilus Harrisii Aud.," Cooper, Proc. Cal. Acad. 

 Sci., 4, 1870, pp. 63, 67 (Peculiar to California, and said 

 not to occur west of the "Desert Region"). 



"Spermophilus Harrisii/' Cooper, Amer. Nat., 3, 1869, p. 

 188 (Mentioned as occurring on the desert between Cajon 

 Pass and Fort Mojave). 



Specimens examined. — Two : Nos. 5638, Univ. Calif. Mus. 

 Vert. Zool; No. 145284, U. S. Nat. Mus. No. 5638: ob- 

 verse of label "248 Spermophilus harrisii, Aud. and Bach, 

 [printed slip pasted on] $ Mts. W. side Col'do V. 1. 35' 

 Cal. May 27 '61 — Harris's Spermophile [printed strip bear- 

 ing vernacular name pasted on]"; reverse, eleven measure- 

 ments. No. 145284 : obverse of label "247 Spermophilus har- 

 rissii 5 Mts W. side Col'do Val. 35° Cal. May 27— '61 J. G. 

 C"; reverse, eleven measurements. 



Specimens prepared with skulls inside, fore feet bent back 

 along side or beneath body, hind feet extended posteriorly; 

 tail with bones inside, extended backward; abdominal slits 

 not sewed up. 



No. 5638 is apparently a young animal, as it is undersized. 

 Both specimens are clearly referable to Ammospermophilus 

 leucurus leucurus. 



