418 Dr.J.E.Gray’s Synopsis of the American Squirrels 
Var. 1. Blackish, very minutely punctulated with white ; hairs 
lead-coloured at the base, brown above, with a narrow ; black 
subterminal band and white tip; crown blacker; underside 
reddish grey, slightly grizzled; tail black (or brown), hairs 
black or brown, with slender white tips tosome. North America. 
B.M. 
Var. 2. Hairs black, with a very small narrow subterminal grey 
ring. B.M. 
Var. 3. Hairs black, shining, uniform. B.M, 
II. Middle-sized ; fur soft. 
* Lateral streak lead-coloured ; tail narrow, shorter than the body. 
3. Sciurus hudsonius. 
Sciurus hudsonius, Pallas, Baird, M. N. A. 269, t. 46. f. 2. 
Sec. carolinus, Ord. 
Sc. rubrolineatus, Desm. 
Tamias rubrolineatus, Schinz. 
Tamia hudsonia, Lesson. 
Fur black and greyish rusty ; back often washed with ferru- 
ginous; tail beneath and towards the tip uniform ferruginous, 
with roots of the hairs not annulated. 
Carlton House (male, large) : B.M. Fort Simpson, Mackenzie 
River (Ross): B.M 
See Sciurus Fremontii, Aud. & Bach. Q. N. A. iii. 237, t. 149. 
f.1. Fur above black and greyish rusty yellow, without any 
tinge of ferruginous; tail black or greyish white, without any 
ferruginous visible externally, glossy black near the tip.” (S. 
Baird, M.N. A. 246, 272.) Rocky Mountains, Sawach Pass. 
Mus. Smithsonian Institution. 
4. Sciurus Richardsonit. 
Sciurus Richardsonii, Aud. & Bach. Q.N.A. t.5; Baird, M. N. A. 273. 
?Sc. lanuginosus, Aud. & Bach. Q. N. A. t. 25 (immature). 
Sc. hudsonius (part.), J. K. Lord, Report. 
“Fur reddish brown and black finely mixed ; back not washed 
with ferruginous, beneath white; tail dark reddish brown to- 
ward the base of the hairs, the exterior portion of the sides and 
entire tip glossy black.” | 
Hab. Vancouver Island (J. K. Lord) : B.M. Cascade Moun- 
tains (J. K. Lord): B.M. West Slope, Rocky Mountains (J. K. 
Lord) : B.M. 
** Lateral streak black ; underside rusty or reddish. 
5. Sciurus Douglasit. 
Sciurus Douglasti, Gray, P. Z.S. 1836, p. 88; Aud. & Bach. Q. N.A. ix, t. 48 ; 
Baird, M.N.A. 275, t. 20. f. 1, t. 49. f. 2. 
