ZOOLOGY MAMMALS. 



PUTORIUS RICHARDSONII. 



Muslela richardsonii, BONAP. in Charlesworth s Mag. N. H. II, Jan. 1838, 38. (&quot; Jtf. erminea, RICH. F. E. A.&quot;) 

 Putorius richardsonii, Bp. in RICH. Zool. Beechey s Voyage, 1839, Mammalia, 10. 



BAIRD, Gen. Rep. Mammals, 1857, 164. 

 Putorius agilis, AUD. & BACH., N. A. Quad. Ill, 1853, 184 ; pi. cxl. 



Sp CH. Length to tail, 9 inches or less. Tail vertebra) about half this length. Black of tail nearly one-half to one-third 

 its length. Outstretched hind feet reach to the middle of the tail (with hairs) or a little beyond. In si mmer, dark chestnut 

 brown above; whitish beneath. Whole upper jaw brown. In winter, white. Tail with black tip. 



Specimen collected at Fort Steilacoom, August 18, 1854. (20.) 



Measurement when fresh. 



Around the ears 3 inches. 



PVom front of fore foot to the end of hind foot extreme extension l^i &quot; 



Total from snout to tip of tail 15 &quot; 



Tail 6 



Fore arm 3 &quot; 



Around chest behind shoulders 3J &quot; 



PUTORIUS LONGICAUDA. 



Mustela longicauda, BONAP. in Charlesworth s Mag. N. H. If, Jan. 1838, 38. (Based on Richardson s description.) 

 Putorius longicauda, RICH, (ex BONAP.) Zoology Beechey s Voyage to Pacific, 1839. Mammalia, 10. 



BAIRU, Gen. Rep. Mammals, 1857, 169. 

 Muslela (Putorius) erminea, RICH. F. B. A. I, 1829, 46. (&quot;Carlton House variety, with long tail.&quot;) 



Sp. CH. Length to tail about eleven inches. Tail vertebrae about half this length. Black of tail about one-fourth its length. 

 Above, light olivaceous brown ; beneath, brownish yellow ; edge of upper lip and chin white. In winter, white; tail with black 

 tip. Light space on belly much wider than in P. noveboracensis. Muzzle broad. 



Milk river, Neb., August, 1853. 



PUTORIUS VISON. 



Common Mink. 



&quot;Mustela lutreola, FORSTER, Philos. Trans. LXII, 371.&quot; 



&quot; SABINE, in Franklin s Narr. 1823, 652.&quot; 

 Mustela vison, BRISSON, Quad 1756, 246. 

 Putorius vison, GAPPER, Zool. Jour V, 1830, 202. 



DEKAY, N. Y. Zool. I, 1842, 37 ; pi. xi, f. 1. 



AUD & BACH. N. A. Quad. I, 1849, 250 ; pi. xxxiii. 



BAIRD, Gen. Rep. Mammals, 1857, 177. 



SP. CH Tail about half as long as the body. General color, rather dark brownish chestnut. Tail nearly black. End of 

 chin white, but not the edge of the upper jaw. 



Disputed island, near Vancouver s island, (64) ; Klamath Lake ; Fort Steilacoom, August 10, 

 (18;) Cape Flattery, (137, 146, 138, 140.) 



ENHYDRA MARINA, Flem. 



Sea Otter. 



BAIRD, Gen. Rep. Mammals, 1857, 189. 



The imperfect skin collected was procured at Steilacoom, although I could not learn its precise 

 locality. Almost all the skins of this otter now gathered by the Hudson Bay Company, come 

 from the Indians north of the 50th parallel. 



