CITELLUS, 141 
a.’’ Shoulders black, spotted with ferru- PAGE 
felis [oU DI) Ie ol fi Santas ae A ee C.vartegatus 148 
b.”” Shoulders mottled with black and white. 
/’’ Crown speckled with black and 
a 
white, or brown, black, and white..C.v. grammurus 1409 
Det row LAs OWE cj Gand ive sui oie a fe C. vu. fishert 150 
ce.” Shoulders black, crown black...... C.v. atricapillus 150 
d.”” Shoulders blackish brown and whitish; 
crown, sides, and nape of head black. .C.v. ruprestris 180 
e.’’ Shoulders grizzled grayish and black....C. adocetus 152 
b.’ Tail annulated. 
A. MC dOOt VERIO vecea Mutya ea a 09 (..C. OnnUAths 151 
Be SMC, TOMTOM as cy oreonh vrliees .C. a. goldmant 151 
A. Ammospermophilus, Merr. 
Size small. Skull broad; interorbital constriction slight; nasals 
short, broad, reaching posterior end of premaxilla; first premolar 
less than half the second in size; tail, one-third the length of the 
head and body. 
Fia. 24. CITELLUS (AMMOSPERMOPHILUS) L. PENINSULA. 
‘No. 4948 Am. Mus. Nat. Hist. Coll. Nat. size. 
103. harrisi (Spermoplilus), Aud. & Bachm., Quadr. N. Am., 11, 
Poet. 207, pl. DA4, Pig, t. Elhot, Syn. N. Am. Mamm., 
[90T, .195. 
HaArrIs’s SPERMOPHILE, 
Type locality. Not determined. 
