1865.] DR. J. E. GRAY ON THE MUSTELIDA, 111 
3. Muster. 
The body elongate, slender. Limbs short ; feet moderate ; toes 
moderate, slightly webbed, covered with hair; space between the 
pads hairy. Tail elongate, slender, subcylindrical, covered with 
elongate hairs. 
Skull elongate, depressed ; teeth 34; praemolars 2/3, 2/3 ; upper 
tubercular grinder transverse, scarcely longer on the inner edge. 
Fur dark above, white or yellow beneath. 
Mustela, Linn.; Gray, Cat. Mamm. B. M. xx. 65. 
Mustela (Mustela), Nilsson, Skand. Fauna i. 156. 
Putorius (partly), Cuvier. 
Mustela (Gale), Schinz. Syn. Mamm. i. 342. 
* Face without pale spot in front of ears. 
+ Back uniform colour ; tail black-tipped. 
1. MusTELA ERMINEA. Stoat, or Ermine. 
Brown above ; upper lip, chin, and lower surface of body, inside of 
limbs, and feet yellowish white ; tail brown, shorter than the body, 
end black. In winter all yellowish white ; end of tail black. 
Mustela erminea, Linn. S. N. i. 68; Gray, C. M. B. M. 65; 
Nilsson, Skand. Faun, 157, illum. fig. t. 12; Gerrard, Cat. Bones 
B. M. 93; Schrenck, Amurland, 40. 
Putorius erminea, Owen, Brit. Foss. Mamm. 116, f. 40, 41, 42, 
(skull). 
M. ermineum, Pallas, Zoogr. i. 90; Buffon, H. N. vii. t. 29. f. 2, 
tid Ls 
Stoat or Ermine, Penn. B. Zool. i. 89, 67, f. 18. 
Hab. Europe, England, France; North Africa, B. M. 
Var. 1. africana. Tail very short, black-tipped, one-sixth the 
length of body. 
Hab. North Africa, Algiers (B. M.). 
Var. 2. kaneit. 
Putorius kaneii, Baird, N. A. Mamm. 172; Arch. f. Naturg. 
1859, p. 9. 
Hab. Kamtschatka; Tchucktchi country, Siberia. 
Var. 3. americana. ‘Tail more or less elongate, from one-third to 
one-half the length of the body. 
Putorius noveboracensis, Dekay, N. Y. Zool. i. 36, t. 12. fig. 2, 
t. 14. f. 2, 1842; Baird, N. A. Mamm. 166, t. 36. f. 3 (skull) ; 
Pr. Max. Arch. f. Naturg. 1861, p. 220. 
Putorius ermineus, Aud. & Bachm. N. A. Quad. ii. 56, t. 59. 
Mustela cicognani, Bonap. Fauna Ital., Charlesworth’s Mag. N. 
H. 1838, p. 37; Gray, List Mamm. B. M. 195. 
M., fusca, Bachman, Journ. A. N.S. Philad. viii. 288. 
M. (Gale) fusca, Schinz, Syn. Mamm. 243. 
M. vulgaris, Thompson, Hist. Verm, 30. 
