328 suiD^. 



Synopsis of the Genera. 



A. Typical Swine (Suina). Cutting-teeth f ; intermaxillary short; 



diastema between the cutting-teeth and grinders short ; canines thick, 

 S2wead out ; the sheaths of the upper canines spreading out and then 

 bent up at the end ; premolars |- . f ; molars | . | . 



a. Wild Swine. Face elongate. The ears erect, modei-ate, hairy. Colour 



uniform or grizzhd ; young yellow, streaked. Skull elongated ; facial 

 line straight ; forehead convex. 



1. Strs. 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. PoRCTJLA. 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. PoTAMOcncERus. Ears elongate, tapering, acute, and pencilled 



at the tips. Tail thick, high up on the haunches. Skull — 

 nose flattened above and rather thickened on the upper edge ; 

 conca\dty of the cheeks separated from the orbit by a broad 

 ridge. Males with the upper edge of the nose warty in front, 

 and with a large process from the upper part of the sheath of 

 the canine tooth. Eemales with only a ridge across the base 

 of the sheath of the canines. 



b. Domesticated Swine. The ears more or less dependent, often very large. 



Colour black, vjhite, or variegated ; young like parents. Skull short ; 

 facial liiie sunken ; forehead and top of nosejlat ; nose margined on the 

 sides. 



4. ScROFA. Face smooth or nearly so. Sheath of upper canine 



with a longitudinal ridge at the base. 



5. Centfriostjs. Face strongly concentrically wrinkled. Sheath 



of upper canine with a large rounded tubercle at the base. 



B. Abnormal Swine (Babieussina). Cutting-teeth f; ititertnaxilla, 



and ma.villa in front, forming a large diastema between the cutting- 

 teeth and grinders; canines erect, parallel; the sheaths of the upper 

 canines bent up from the base, and closely apiplied to the side of the jaw ; 

 irremolars ^ . f , the front ones early deciduotis. 



6. Babirtjssa. 



A. Typical Swine (Suina). Cutting-teeth f (the outer upper rarely 

 deciduous) ; intermaxilla short ; diastema betiveen the cutting-teeth and 

 grinders short; canines thick, spreading out on sides of head; sheath 

 of upper canine sjn'eading out and bent up at the end ; premolars a . |. 

 —Gray, P. Z. S. 1868, p. 22. 



The depi'ession in the skuU behind the hinder nasal opening is 

 without any pits on the sides behind. 



