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Show 38 DR. J. E. GRAY ON THE SUIDAE. [Jail. 9, 3. POTAMOCHCERUS Sanglier de Madagascar, Daubenton; Buffon, H. N. xiv. 39G; Flacourt's Hist. Madagasc. 151. Hab. Madagascar. Mr. Sclater informs me that a species of this genus from Madagascar is living in the Jardin des Plantes at Paris. 1 am not aware that any specimens from that country have reached England. b. DOMESTIC SWINE. Face short. The ear more or less dependent, often very large. Animal black, white, or mottled. Young like parent (not yellow-streaked). Skull short; facial line sunken; forehead and upper surface of the nose flattened, more or less distinct, margined on the sides. I do not believe that the Domestic Pig is derived from the Wild Boar of Europe, any more than the Domestic Cat is derived from the Wild Cat of Scotland, or the Dog from the Wolf of Europe ; nor do I know of any exotic species of Pig from which it is likely to have been derived. There is no doubt that the Domestic Pig will breed with the Wild Boar, and that there are hybrid breeds which are more like the Wild Boar than the normal domestic animal. On the other hand, the wild species are often more or less domesticated in the countries they naturally inhabit ; but these animals differ little from the wild progenitors, and are very different from the true domestic animals. 4. SCROFA. Face conical, smooth, or nearly so. Skull-sheath of the canine with a more or less distinct longitudinal crest across the base. SCROFA DOMESTICA. Sus verres, Plinius, Hist. Nat. viii. 151. Sus domesticus, Brisson, Reg. Anim. 106. Sus scrofa domesticus, Erxleb. Syst. 179; Fischer, Syn. Mamm. 422. Cochon, Buffon, H. N. v. 99. Verrat, Buffon, H. N. v. 99, t. 17. f. 2 (t. 24. f. 3) (skull). Hog, Penn. Hab. Domesticated in most parts of the inhabited world. Some varieties have small erect hairy ears and strong long legs like wild swine. (1) Cochon de Siam, Buffon, v. 125,137,1.1500 (t. 24. f. 2,skull?). Sus scrofa sinensis, Schreb. t. 324 (copied from Buffon; not S. sinensis, Brisson). Black. The young black, without any streaks. Face tapering. Skull rather short; crown rather convex (Buffon). Hab. Siam. I have not seen the variety. Daubenton describes the skeleton (v. p. 181). This has most unaccountably been confused with the Chinese Pig by Desmarest, Fischer |