DESCRIPTIONS OF APPARENTLY NEW SPECIES AND 



SUBSPECIES OF MAMMALS AND A NEW 



GENERIC NAME PROPOSED. 



BY D. G. ELLIOT, F.R.S.E., ETC. 



FAM. SCIURID^. 

 CITELLUS. 



Citellus *nesioticus, Sp. nov. 



Type locality. Santa Catalina Island, California. 



Geogr. Distr. Santa Catalina Island, Santa Barbara Islands, 

 California. 



Genl. Char. Color very dark, with little or none of the yel- 

 lowish brown hue so conspicious in S: v. beecheyi and 5. v. fisheri, 

 but nearer to the latter on account of the extension of the white 

 on shoulders, though this is rather indistinct on the present 

 species. Color of tail entirely different. Skull compared with 

 that of C. v. fisheri is much shorter and broader; malar broad 

 and heavy; nasals short; braincase short, contracting rapidly 

 anteriorly; antorbital processes very long; pterygoid fossa very 

 short and the processes of the pterygoids very long and turning 

 sharply outwards at tips; basioccipital short and broad; bullae 

 large; palate very broad; zygomatic arch widely expanded; 

 occipital region low and broad; prominent azygos process on 

 palatal arch. 



Color. Type, Male. Top of head from fore part of forehead 

 to between ears jet black with a few tawny ochraceous hairs 

 mixed on certain parts; nose tawny ochraceous; sides of head 

 tawny ochraceous and black mixed ; hairs on sides of neck white 

 tipped, extending in a long, narrow, indistinct line to behind 

 shoulders; middle of back black and tawny ochraceous, the 

 black predominating; lower part of back and sides tawny ochra- 

 ceous and black, the first color predominating; under parts 

 buffy ochraceous; hands and feet buff; ankles tawny; limbs 

 buff and black mixed; tail above mixed buff and black giving a 



* nj(Tfa>T*? belonging to an island. 



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