The figure and description of the _Petit Phoque_ of Buffon have had the following names given to them:— Little Seal, _by Pennant and Shaw_. Phoca pusilla, _Schreber_, _Säugeth_. 314 (_Peters_). Phoca parva, _Bodd. Elench._ 78. Otaria pusilla, _Desm. N. Dict._ Otaria Peronii, _Desm. Mamm._ Fischer, in his ‘Synopsis,’ under _Phoca pusilla_, p. 252, gives the Cape of Good Hope and Rotteness Island, on the coast of Australia, as the habitat of the species. The description of Cuvier much more nearly fits that of the young _Arctocephalus nigrescens_ from the Falkland Islands. The fur of the young Cape Seal is dark, black above and below; the hairs are slender, and brown (not whitish) at the base; and the underside is not yellowish brown; so that it is very doubtful if it is the young of the Cape Seal. Dr. Peters, believing Buffon’s specimen to be a young Cape Seal, changed the name of _Delalandii_ to _pusilla_. In the Museum are three states in flat skins:— 1. Adult male, with slight mane, called in the sale-catalogue “large-wig.” Fur whitish, with a few intermixed black hairs; under-fur short, reddish. B.M. 2. Adult, without the mane, called in the sale-catalogue “middling.” Fur reddish white, grizzled with scattered black hairs; underside of the body darker, reddish brown; under-fur short, reddish. B.M. 3. Young, about 18 inches long, called in the sale-catalogue “black pup,” from the Cape of Good Hope. Fur black, polished, soft, smooth, without any grey tips, rather browner black beneath; under-fur brown, very sparse; hairs slender, polished, black, with very slender brown bases. B.M. ** _The fourth, fifth, and sixth upper grinders with two distinct diverging roots: the fifth in a line with the hinder edge of the zygomatic arch._ Euotaria. (America.) 2. Arctocephalus nigrescens. _The Southern Fur-Seal._ Arctocephalus nigrescens, _Gray_, _Zool. Erebus and Terror_, t. ⸺; _P. Z. S._ 1850, pp. 109, 360; _Cat. Seals and Whales_, p. 52; _Gerrard_, _Cat. of Bones_, p. 147. Arctocephalus (Euotaria) nigrescens, _Gray_, _Ann. & Mag. Nat. Hist._ 1866, xviii. p. 236. Arctocephalus falklandicus, _Gray_, _Cat. S. & W._ p. 55; _Allen_, _Bull. Mus. Comp. Zool._ ii. p. 45. Otaria (Arctocephalus?) falklandica, _Peters_, _Monatsb._ 1866, p. 273. Otaria (Arctophoca) falklandica, _Peters_, _Monatsb._ pp. 371 & 671. Otaria falklandica, _Sclater_, _P. Z. S._ 1868, p. 528; _Abbott_, _P. Z. S._ 1868, p. 192. Otaria jubata (young), _B.M._ Euotaria nigrescens, _Gray_, _Ann. & Mag. Nat. Hist._ 1868, p. 104. Otaria nigrescens, _Murie_, _P. Z. S._ 1869, p. 106. Inhab. Falkland Islands, Volunteer Rock (_Capt. Abbott_).