1865. | DR. J. E. GRAY ON THE MUSTELIDZ. 133 
Lataxina, Gray, List Mamm. B. M. 70. 
Latax, Gray, Ann. and Mag. N. H. 118 (not Gloger). 
Lutra, § c, Gray, Loudon’s Mag. N. H. 1837, i. 380. 
LaTax CANADENSIS. B.M. 
Black-brown, beneath paler; cheeks, lips, chin, and throat pale 
ashy-brown; front of neck grey-brown. 
Very young black above and below, with very short close fur ; lips 
whitish ; claws very acute, whitish. 
Var. Nearly uniform black; under-fur very soft, brown; the 
upper and lower lip, chin, and sides of throat brown. 
Lutra canadensis, Sabine, Franklin’s Voy. 653 ; Schreb. Saiugeth. 
t. 126, 13; Richardson, Faun. Bor.-Amer.; Pr. Max. Arch. fiir 
Naturg. 1861, p. 236 ; Baird, Mamm. N. A. 184, t. 28 (skull); Ger- 
rard, Cat. Bones B. M. 101; Gray, Ann. and Mag. N. H. 1837, 119. 
L. brasiliensis, Harlan, Faun. Amer. 72, 1825; Godmann, Ann. 
Nae 1.222183); 
L. hudsonica, F. Cuy. Supp. Buffon, i. 194, 1831. 
L. vulgaris canadensis, Wagner, Schreb. Supp. ii. 256. 
L. lataxina, F. Cuv. Dict. Sci. Nat. xxvii. 243. 
Latazina mollis, Gray, List Mamm. B. M. 70. 
Latax lataxina, Gray, Ann. and Mag. N. H. i. 119, 1837. 
LI. canadensis, var., et Lataxina mollis, Aud. & Bachm. N. A. 
Quad. iii. 976, f. 122, 1853. 
L. californica, Baird, N. A. Mamm. 187 (not Gray). 
Hab. North America, Canada. 
“Muzzle longer than wide, sending down a naked point along 
the median line of the upper lip anteriorly. Under surface of the 
feet so covered with hair towards the circumference as completely to 
isolate the naked pads of the tips, a hairy stripe extending forward 
from beneath the carpus to the palm. The naked muzzle is quite 
large, its posterior outline running up into the forehead, so as to 
be as long, or rather longer than broad; this outline is decidedly 
A-shaped, the acute angle behind. The lines are not quite straight, 
but slightly sigmoid. The anterior outline of the muzzle is gently 
semicircular, and anteriorly sends down a narrow point, dividing the 
hair of the lip over one-sixth of its length. The nostrils are large 
and open, their posterior line extending not beyond the centre of the 
naked muzzle.’’—Baird, 1. c. 184. 
Lutra californica of Professor Baird (Mamm. N. A. 187) seems 
to be a variety of L. canadensis, or anew species of this genus. As 
he describes the feet as hairy, it must be distinct from my L. cali- 
fornica, which has the feet entirely bald, and has a skull like L. 
chilensis. He describes— 
“Length about 4} feet, naked towards the forehead at an 
obtuse angle; muzzle wider than long; no naked point sent 
down from its anterior edge ; under surface of all the feet but little 
hairy ; the naked terminal pads not isolated from the other bare 
portions by hair, except in the central digits of the fore foot ; the 
