MAMMALIA — RODENTIA. 
43 
very large and bushy. 2. Sc. rufobrachium ; like the Sc. annulatus, 
but rather larger, more beautifully coloured, and has the posterior part 
of the fore and hind legs fringed with rusty-red hairs. 3. Sc. leucogenys ; 
above rich brown from the admixture of black and rich yellow ; beneath 
white ; tail principally black, but the hairs tipped with white and red at 
the root ; the mesial portion of the tail beneath is bright rusty-red ; the 
sides of the face white ; the size about that of the common Squirrel. 
c. North American . — Bachmann published, in the Journ. of the Acad, 
of Nat. Sc. of Philadelphia, viii. 2 (1842), p. 310, six North American 
species : — 1. Sc. lanigerus ; fur long and wooUy ; tail thicks bushy, 
scarcely two-rowed ; nose, ears, and feet, almost black ; upper side dark 
grey, sprinkled with brown ; under side pale brown ; body 12"; tail 11" : 
N. California. 2. Sc. mustelinus ; whole body uniform shining black ; 
10" long ; tail 13" : from California. Distinct from Sc. niger, by the 
want of the white on the nose and ears. 3. Sc. ferrugineiventris ; above 
bright grey, reddish-brown on the shoulders ; beneath light red ; body 
8" 10"' ; tail 10" : California. It so much resembles some varieties of 
Sc. cinereus and leucotis, that it might be reckoned a variety of the one 
or other, were not the great distance of their habitats an objection. 
5. Sc. mollipilosus ; dark brown, red on the sides ; beneath grey : allied 
to the Sc. hudsonicus, but the light colour of the belly is much less : be- 
tween the colouring of the back and the under side there is no dark line, 
&c. ; body 8^" ; tail 7" : N. California. 6. Sc. occidentalis ; fur long 
and soft; head, back stripe and tail, black; sides brown, mixed with 
black; under side brown black; ears narrow; body 11"; tail 14'". 
Most nearly allied to the black variety of Sc. leucotis, yet different, as 
no species was found out of the Atlantic States, westward of the Pocky 
Mountains, or, with the exception of Sc. capistratus, westward of the 
Mississippi. Eight permanent or uncertain species of black North 
American Squirrels are now known. 
Lesson defines two species from Central America, in his Tableau du 
Regne Animal, p. 112 : — Sc. Piladei {!) from St. Salvador, and Sc. 
Adolphei, from Nicaragua. The first is evidently nothing else than Sc^ 
aureogaster, Fr. Cuvier; the other has, as Lesson says, a great resem- 
blance to the Capistrate d longue queue of Fr. Cuvier, yet he does not 
speak of a white colouring on the nose. Gray’s Sc. Richardsonii is from 
Honduras (Ann. x. p. 264). Black, brown, varied ; hairs black, with a 
broad subcentral brown band; cheeks and sides brown; middle of throat, 
chest, belly, and inner side of the limbs, white ; hair of tail with long 
white tips ; feet black ; ears hairy ; length of the body, and head, ? 
of tail, ? If Gray himself cannot give the length of his new 
species, who can ? 
d. South American . — The reporter published in the Archives, 1842, 
vol. i. p. 360, two new Brazilian species : — Sc. igniventris and pyrrho- 
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