OCR Text |
Show 20 DR. J. E. G R A Y O N T H E SUIDAE. [Jan. 9, in turning up the ground. The scrotum posterior, only slightly prominent, just under the vent. Setifera, Illiger. Pachydermata fissipedes, Latr. Reg. Anim. 1830, p. 596. Setigera, Fitz. Sitz. Akad. Wiss. 1864. P achy derma paridigitata, Cuvier, Oss. Foss.; Burmeister, 1840- 1845. Ungulata isodactyla seu artiodactyla, Owen, Odont. " The progressive increase of size in the molar teeth as they are situated further back in the mouth may also be noticed as a family characteristic, which, with the complication of the crown and development of the teeth, reaches its maximum in the Phacochceres."- Owen, Odont. 544. SYNOPSIS OF THE FAMILIES AND GENERA. I. The premolars permanent, forming one series with the molars. Fam. 1. SUIDAE. Teeth 44 or 40 :-Cutting-teeth ^ ; canines triangular, upper recurved; premolars J^J or |^|; molars - , hinder largest. Tail elongate, rarely absent. Teats 10, rarely 8. Toes 4.4; the hinder on each foot shorter, smaller. LLab. Europe, Asia, and Africa ; naturalized in America and the Pacific Islands. A. TYPICAL SWINE (SUINA). Cutting-teeth 6/6 ; intermaxillary short; diastema between the cutting-teeth and grinders short; canines thick, spread out; the sheaths of the upper canines spreading out and then bent up at the end ; premolars ^£^; molars jj^f. a. WILD SWINE. Face elongate. The ears erect, moderate, hairy. Colour uniform or grizzled; young yellow, streaked. Skull elongated ; facial line straight; forehead convex. I. Sus. Ears ovate, hairy. Tail moderate, tufted at the end. Skull-nose convex, rounded and smooth on the sides above; concavity on the cheeks reaching to the edge of the orbit. Male with a ridge across the upper part of the base of the sheath of the canines. 2. PORCULA. Ears ovate, hairy. Tail rudimentary. Skull-nose tapering, rather thickened on the edge in front of the orbit. Canines small, spreading; upper not recurved, without any ridge on the sheath. 3. POTAMOCHCERUS. Ears elongate, tapering, acute, and pencilled at the tips. Tail thick, high up on the haunches. Skull nose |