866 MONOGRAPHS OF NORTH AMERICAN RODENTIA. . 
TABLE CIX.—Measurements of three skulls of SPERMOPHILUS SPILOSOMA. 
; g i] Y a 
. = ae Roa 2 g 
n = a ae - 3 
a E| i) 68 *9 a2\+ 
#\/2./4 \% |€4l 4 |s2a 
F a al alee | Sracl Bessy ye eed Se leettlaes 
3 ee Seay veg al ate aaiieedh eel eetieqe| ee |pewesh | to | ‘ee 
a Locality. : 3 E < E |@ mm) @ |e le FA 7 
g FM eee ss paral perpen ebro ECA) ay | ae 
5 B/E; 2) 2) e lecls8l 3 jesieg| B/E 
g a 2 o ° ° aglan| 2 jrAo|gs) S& i 
eo 2 | 2 | 3 |.4 | 4 |28)28 aii 
Cc Es 2 = x w Slacd & Sjlao I ue 
3 i}a}e}2)91 4 (Beles! & eles] 1 e 
8 aleS, ales 3S a |ealead| & jasi|as! ¢€ 5 
s) na!) a oO A Aa i) =) Bp |p p A A 
| 
91933| Paso) Lex. << ccacen<e=====—==- 9 | 1.55 | 0.97 | 0.35 | 0.46 | 0.17 | 0.43 | 0.78 | 0.25 | 0.15 | 0.31 | 0.87 | 0.42 
124) eoeae (Beer eaneeeceninccocr ssiocecie| feo 1.45 | 0.95 | 0,32 | 0.46 | 0.16 | 0.40 | 0.75 | 0.20 | 0.14 | 0.30 | 0.82 | 0.38 
1651 | Chihuahua, Mexico ......-....----|---. TLS seine 0. 32 |. 0.50 |...... URC EY OS Ci eee ABs lessee! As 0.85 | 0.42 
TaBLE CX.—Measurements of five specimens of SPERMOPHILUS SPILOSOMA, 
: s “= a 
S o Tail toend| & 4g 
aa) na — 
EI 3 ofr dell aca 
5 . om a a 
3} Locality. ° : Se et Remarks. 
A oes Sere 
S - 2 és 4 2 
1 a a - 5 
a . Ba = =I to i=] 
3 Hi/eS)5 | se] 8 3S 
LS} a |e > ios) 4 A 
290 | Chihuahua City, Mexico ...............200cc0--0---2-- (| aase | bossee 1,10 | Skin 
10098) onan 1) SgeB BOE Eo O dod: Boccmonrenoecrcajspeceecsasns --| 7.00 } 2.20 | 3.00 | 1.25 |..d 5 
. é ® From Baird, Mam. N. 
1042 | Janos, Sonora, Mexico..................--------------- --| 5.75 | 2.60 | 3.20 | 1.28 |..do Amer.n.309 
Mab i¢Tl Pasos2-2s). etl eee ee 2 | 6.50] 3.00 |.3.75 | 1.25 |-.do Ba 
UPd | lanes GOR « sae om ee alee tetera ee 5.50 | 2.50 | 3.00 | 1.25 |..do 
TaBLE CXI.—List of specimens examined of SPERMOPHILUS SPILOSOMA. 5 
|e . = 
a 
z | : 
2 a = 
| ra =) 3 
5 S|. 2 
A gs elo 5 When é oy Q 
2 z a se Locality. colineted: From whom received.} Collected by. a 
to. | eet | 2) 
oalge\e H 
a 
$ 2/53) # 3 
Oo a nD A 
LOSS Tsao ane Skin. 
290 | 1651 |.... ; Skin and skull. 
1042 | 2216 |....| Janos, Sonora .......- Apr. —, 1855 | Maj. W. H. Emory ..| Dr.C. B. R. Kennerly) -.-.- do. 
BO) ee .--.| Fort Stanton, N. Mex... —— —,1855]....do -............-. Dr. T. C. Henry ..... Skin. 
142 | 1124 |....| El Paso, Tex.....---. -| —— —,1852]....do ....-...-....-. J. H. Clark.......-..| Skin and skull. 
14U T2331 eS Oscars so arconesaaseeren — —, 1852|....do ......-.-...--.|.--. [Magee se s5- Saerss) Eres Its 
SPERMOPHILUS OBSOLETUS Kennicott. 
Kennicott’s Spermophile. . 
Spermophilus obsoletus KENNICOTT, Proc. Acad. Nat. Sci. Phila. 1863, 157. 
Spermophilus spilosoma var. obsoletus ALLEN, Proc. Bost. Soc. Nat. Hist. xvi, 1874, 291. 
SPEcIFIC CHARS.—Size and form of S. spilosoma. Length 5.80 to 6.50; 
tail to end of vertebrae 2.25 to 2.50; to end of hairs 3.00 to 3.50. Above, 
dull yellowish-brown, indistinctly spotted with lighter, especially posteriorly, 
