868 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
TABLE CXILI.—Measurements of three specimens of SPERMOPIILUS OBSOLETUS. 
| 
B i Fromtipof|Tailtoend) 3 
| 2 nose to— of— e} 
| 2 2 
A 4 ——| 3 
o a Locality. : a 
& | 3 gf Qi 
2 |8 ie ae 2 5 
s tL . = = a te 
s aI 4 3 3 Gi a 
OMS a|o |e | 4 
3224 | 49 | 50 miles west of Fort Kearney......---..---.---+-2-seee-eeeneee ene eenne- 9 | 1.35 | 5.85 | 2.40 | 3.45 | Fresh. 
3222 | 44 | 230 miles west of Fort Kearney...-.-....--..-----------eeenee----e--ee- Q | 1.70 | 5.80 | 2.25 | 2.80 |...do. 
2144 | 66 | Fort Laramie . .......--.------ 2-200 eee e ee enn n ee cow een een eens ue sscenee- o | 1.60 | 5.20 | 2.35 | 3.30 |...do. 
TABLE CXIV.—List of specimens examined of SPERMOPHILUS OBSOLETUS. 
e D - 
sig g 
eo soll etme & 
2 |Fala 3 
A sBI5i|s ; When From whom re- mat ip 
3 3 “2/5 | ts Locality. collected: éeivea. Collected by- % 
to .|ay|s]s 2 
ZaAlselS)a 5 
so & oO} & p<] 
a@|B4la/ 3 5 
ie) D5 O;n a 
9252 |4795 }._.:].--.| Black Hills, Dak. .- <2 22-2. -|t ooo eo ea. Gen. G. K. Warren-| Dr. F. V. Hayden. -| Skin and skull. 
See e= mare 44 | 9 | 50 miles west of Ft. Kearney Aug. 9,1857 | W. M. F. Magraw-| Dr. J. G. Cooper -..| Skin. 
3224 | 4511 | 49 | 2 | 230 miles west of Ft. Kearney] Aug. 17, 1857 }.... Skin and skull. 
3225 |...... 48 |Od|.----- U0} <s-e one ee eee eae Aug. 17, 1857 Skin, 
3223 [eee 45 |O9].=---- Goede ciceecessoc once: PAU PAT AIEEE eect) cosssoopcrood pea Ol sceo-emoorecH ies do. 
3140 |...... 62 |....| Fort Laramie. .. hsossd0esc} Sept. 22, 1857 |. -do. 
3144 | 4813 | 66] & --| Sept. 30, 1857 |. Skin and skull. 
Spe bs. .cs.|-<=s Peal Reernc Cee once Seca stestescs Sept. 8, 1857 |... Skull. 
776 |...--. 50 |..-.| O'Fallon’s Bluff, Utab....... July 17, 1858 | Capt. J. H.Simpson) C.S. McCarthy... .|.-- do. 
SPERMOPHILUS MEXICANUS (Licht.) Wagner. 
Mexican Spermophile. 
? Sciurus mexicanus ERXLEBEN, Syst. Anim. 1777, 428 (in part only, if at all. From FRRNANDEZ and 
Sepa, ete. Also Sciurus mexicanus of SCHREBER, GMELIN, SHAW, FISCHER, and other early 
compilers, based on the same). : 
Citillus mexicanus LICHTENSTEIN, Darst. Siuget. 1827-34 (not paged), pl. xxxi, fig. 2. 
Spermophilus mexicanus WAGNER, Suppl. Schreber’s Siinget. iii, 1843, 250.—Branpt, Bull. Physico-math. 
Classe Acad. St. Pétersb. ii, 1844, 380.—Scuinz, Syn. Mamm. ii, 1845, 66.—AUDUBON & Bacn- 
MAN, Quad. N, Amer. iii, 1853, 39, pl. cix (exclusive of supposed young).—GIEBEL, Siiuget. 
1855, 638.—BairpD, Mam. N. Amer. 1857, 319; U.S. and Mex. Bound. Surv. ii, pt. ii, 1859, 39.— 
ALLEN, Proc. Bost. Soc. Nat. Hist. xvi, 1874, 291. 
Sciurus tamaulipensis BERLANDIER, MSS, 
? Tlamototli, FERNANDEZ, Anim. 1651, 9. 
? Sciurus, rarissimus, ex Novd Hispanid, teniis albis, Sepa, Thesa. i, 1734, 76, pl. xlvii, fig. 2. 
SPECIFIC cHARS.—Length of head and body 8.00 to 8.50; of tail to end 
of vertebree 4.00 to 4.50; to end of hairs about 5.75. Above, rather dark 
yellowish-brown, varying to reddish-brown, with generally a decided tinge of 
olivaceous and numerous rather distinct lines (generally either nine or eleven) 
of subquadrate spots of white; below, whitish, varying to yellowish-white on 
