MURIDZ.—SCIURUS. 
The Sournern Fox Seurrren. Sciurus vulpinus. 
*a, Skull (from a dark variety). N. America. 
The Rep-sELLIep Seurrret. Sciurus ferrugineiventris. 
*qa, Skull. Mexico. From M. Parzudaki’s Collection. 
*b, Skull. Venezuela. From Mr. Cuming’s Collection. 
The Honpuras Seurrret, Sciurus boothia. 
*a, *b. Skulls. Honduras. 
Coxiin’s Squreret. Sciurus collizi. 
*a, *b, Skulls. Mexico. 
Sciurus ——? 
*q, Skull. N. America, 
The Grey Squirret. Sciurus cinereus. 
Baird, Mamm. N, America, p. 249. pl. 47. fig. 2 (skull), 1859. 
a, 6.? Skulls. From the Zoological Society’s Collection. 
Gaprer’s Squrrret. Sciurus leucotis. 
Cervical vertebree.............. 7 
Dorsal) sreicocs ote ake asd dae ea. eee 12 
PUMbar jccoe v5 oko wee Seo 7 
Sacral ie cca asics ton Ae amaaceeae ne 3 
Caudal ccna shvcodb ae eaewae hare CRA 20 or 21 
a. Skeleton. N. America. Purchased of Mr. Warwick. 
6. Skull. From the Zoological Society’s Collection. 
ce. Skull. N. America. From Dr. A. Giinther’s Collection. 
d. Skull (black variety). 
213 
e, f. Skulls (black variety). From the Zoological Society’s Collection. 
The Carorina SeurrRet. Sciurus carolinensis. 
Baird, Mamm. N. America, p. 35. pl. 45. fig. 2 (skull), 1859. 
Cervical vertebre.............. 7 
Dorsal. sc05hee 0 heh xewd Meese 12 
‘Lumbar: e.eeasdiaks oreanee es 7 
Sacral seayssh hae oie ees Gees 3 
Caudal: pico iid tanr ensue dasa 25 or 26 
*q, Skull. Wellington, Delaware, N. America. Presented by Henry 
Doubleday, Esq. 
