106 
U. S. p. R. E. EXP. AND SUKVEYS 47TH PARALLEL. 
CEEVUS LEUCURUS, Douglas. 
White-tailed Deer. 
Cervus leucurus, Douglass, Zool. Jour. IV, Jan. 1829,330. 
Richardson, F. Bor. Am. I, 1829, 258. 
AuD. & Bach. N. Am. Quad. III. 1853, 77 ; plate cxviii. 
Baird, Gen. Rep. Mammals, 1857, 649. 
Long-tailed red deer, Lewis & Clark. 
Sp. Ch. — Horns and gland of the hind legs as in C. virginianus : tail, appreciably longer; hoofs, long and narrow ; fur, 
compact. General color above, in autumn, yellowish gray, clouded and waved, but not lined with dusky. Chin, entirely 
white, with only a small dusky spot on the edge of the lip. Ears gray, with a basal white spot behind. Anal region and uader 
surface of the tail, but not the buttocks, white. Tail, reddish above, without exhibiting any dusky. 
A pair of horns obtained from Whidby's Island. 
CERVUS COLUMBIANUS, Rich. 
Black-tailed Deer. 
Cervus macrotis, var. cohmbianus, Richardson, F. B. Am. I, 182D, 255 ; pi. xx. 
Cerims columbianus, Baird, Gen. Rep. Mammals, 1857, 659. 
Cerims lewisii, Peale, Mammalia and Birds U. S. Ex. Ex. 1848, 39. 
Cervus richardsonii, Aud. & Bach. N. Am. Quad. II, 1851, 211.— Ib. Ill, 1853, 27 ; pi. cvi. 
Black-tailed fallow deer, Lewis & Clark. 
Sp. Ch. — About the size of C. virginianus, or less. Horns doubly dichotomous, the forks nearly equal. Ears more than half 
the length of the tail. Gland of t)ie hind leg about one-sixth of the distance between the articulating surfaces of the bone. Tail 
cylindrical, hairy and white beneath ; almost entirely black above. The under portion of the tip not black. Winter coat with 
distinct yellowish chestnut annulation on a dark ground. Without white patch on the buttocks. There is a distinct dusky 
horse-shoe mark on the forehead anterior to the eyes. 
Steilacoom, W. T., 1856. (90.) 
APLOCERUS MONTANUS. 
Mountain Goat. 
Ovis montana, Ord, Guthrie's Geography (2d Am. Ed.) II, 1815, 292, 309.— Ib. J, A. N. Sc. 1. 1, 1817, 8. 
Jlplocerus montanus, Richardson, Zool. of Herald ; Fossil Mammals, II, 1852, 131 ; pi. xvi-xix. Osteology. 
Baird, Gen. Rep. Mammals, 1857, 671. 
Baird, Rep. U. S. Pat. Off. Agricultural for 1851, (1852,) 120 ; plate. (From Rich.) 
Aud. & Bach. N. Am. Quad. Ill, 1853, 128 ; pi. cxxviii. 
Rocky Mountain Sheep, Jameson, " Wernerian Transactions, III, 1821, 306." 
Mountain Goat, Mountain Sheep, White Goat, S^c. Vulgo. 
Sp. Ch. — Entirely white. Horns, hoofs, and edge of nostrils black. Hair long and pendant. A beard-like tuft of hair on 
the cliin. 
Three specimens were obtained in the Cascade mountains north of Mount Rainier, by 
Lieutenant Nugen, United States army ; another from the Upper Nisqually. (89.) 
