126 DR. J. E. GRAY ON THE MUSTELID. (Jan. 24, 
hairy. Toes strong, webbed, covered with hair above and bald be- 
neath; toes and palm-pads well developed ; claws strong, acute. 
Tail conical, covered with hair. Skull elongate ; orbit defined be- 
hind by a well-developed acute tubercle above and below ; the flesh- 
tooth with a large inner lobe. 
Lutra (a. and 6.), Gray, Mag. Nat. Hist. i. 380, 1837. 
+ Forehead and nose of skull flat ; the inner lobe of the flesh-tooth 
large, almost two-thirds the lenyth of the inner margin of the 
outer portion of the tooth. The hinder dentiferous portion of 
the maxillary bone, bearing the tubercular grinder, produced to 
the hinder edge of the orbit. 
t Europe. 
1. Lurra vutearis. Otter. B.M. 
The upper edge of the bald muzzle rather produced and angular, 
nearly as high as broad in the middle, brown, beneath ashy ; ears, 
chin, and throat reddish ashy ; edge of ears ashy. 
Lutra vulgaris, Erxl. Mamm. 488; Nilsson, Skand. Faun. 175; 
Illum. Fig. t. 20; Keys. & Blas. W. BH. 121; Bell, Brit. Quad. 129, 
f. 4; Gray, List Mamm. B. M. 70; Gerrard, Cat. Bones B. M. 
100; Owen, Brit. Foss. Mamm. 119, f. 43, 44 (skull) ; Odont. t. 128. 
4, 5,6; Blainv. Ostéogr. Mustela, t. 8 (skull), t. 5 (skeleton), 
t. 13 (teeth); Bonap. Icon. t. 
Mustela lutra, Linn. 8. N. i. 66; Retz. F. 18. 
Viverra lutra, Linn. F. S. 12; Pallas, Zoogr. i. 76. 
Lu Loutre, Buff. H. N. vii. 134, t. 2, xiii. 325, t. 45. 
Otter, Penn. B. Z. 1. 92, t. &. f. 19. 
Var. Black-brown; throat paler. 
Lutra roensis, Ogilby, Proc. Zool. Soc. ii. 110, 1834. 
Hab. Europe, Bohemia (B. M.). 
2. Lurra NUDIPES. 
Pale red ; larger than L. vulgaris ; the webs of the toes bald. The 
young mouse-colour. 
Lutra nudipes, Melchior, Sdugeth. des Danischen Staats ; Schinz, 
Syn. Mamm. i. 344. 
Hab. Denmark, on the sea-coast. 
There is a large Otter in the British Museum, which was pre- 
sented by Mr. G. Vaughan as coming from Canada; but I cannot 
discover any character by which it can be distinguished from the 
common European Otter, and I suspect the habitat given is a 
mistake. 
tt Asia. 
3. LuTRA CHINENSIS. 
Upper edge of the bald muzzle straight, transverse. 
