CITELLUS. 
a.’’ Shoulders black, spotted with ferru- 
PAREOUGOR: «cise Go ae eso k en & ..C. variegatus 
b.’” Shoulders mottled with black and white. 
a.’ Crown speckled with black and 
white, or brown, black, and white..C. v. grammurus 
b.’” Crown dark brown... ; Aras fishert 
ce.’ Shoulders black, crown black C. wv. atricapillus 
d.’’ Shoulders blackish brown and whitish; 
crown, sides, and nape of head black. .C.v. ruprestris 
e.’’ Shoulders grizzled grayish and black C. adocetus 
b.’ Tail annulated. 
a.’’ Hind foot large. ...C. annulatus 
b.”” Hind foot small C. a. goldmant 
A. Ammospermophilus, Merr. 
Size small. Skull broad; interorbital constriction slight; 
short, broad, reaching 
4 
less than half the second in size; tail, one-third the length of 
head and bi dy. 
Fig. 24. CiTELLUS (AMMOSPERMOPHILUS) L. PENINSULA. 
No. 4948 Am. Mus. Nat. Hist. Coll. Nat. size 
103. harrisi (Spermophilus), Aud. & Bachm., Quadr. 
FOOK; pe a5; 
HarrRIs’s SPERMOPHILE. 
Type locality. Not determined. 
N. 
Am., 
[49 
nasals 
g posterior end of premaxille; first premolar 
the 
III, 
BAG sp 1207, ple 44. Pipe i ~ Eiliot, Syn, N. Am: Mamm.., 
