MAMMALIA. 521 



large ; ears funnel-shaped ; dewlap small ; udder of the female 

 with four teats ; tail long, slender. 



Bos bubalus. — The Domestic Buffalo. — Plate XXIV. 

 fig. 5. — Described, vol. 11. p. 541. 



Sub-Genus 2 Bison. — Smith — Forehead slightly arched, 



much broader than high ; horns placed before the salient line 

 of the frontal crest, the plane of the occiput forming an obtuse 

 angle with the forehead, and semicircular in shape; fourteen 

 or fifteen pairs of ribs ; the shoulders rather elevated ; the tail 

 shorter; the legs more slender; tongue blue; hair soft and 

 woolly. 



Bos Americanus. — The American Bison.— Plate XXIV. 

 fig. 7. — Described, vol. II. p. 535. 



Sub-Genus 3. — Taurus. — Forehead square from the orbits 

 to the occipital crest ; somewhat concave, and not arched as in 

 the former ; horns rising from the sides of the salient ridge or 

 crest of the frontal bone ; the plane of the occiput forming an 

 acute angle with the frontal bone, and of a quadrangular form ; 

 curve of the horns outwards, upwards, and forwards; no mane, 

 a deep dewlap; thirteen pair of ribs ; tail long ; udder with four 

 teats in a square. 



Bos urus The Uaus, or European Bison. — Plate 



XX. fig. 4.— Described, vol. II. p. 523. 



Varieti/ The Common Bull.— Plate XX. fig. 2 De 



scribed, vol. II. p. 520, &c. 



The Cow.— Plate XXVII. fig. 3. 



Variety The Zebu.- Plate XXIV. fig. 6.— Described, 



vol. II. p. 528. 



ORDER X.— CETACEA. 



Body pisciform, terminated by a caudal appendage, cartilagin- 

 ous and horizontal ; two anterior extremities formed like fins, 

 the bones of which are flattened and very short ; neck very short 

 and thick ; two pectoral or two abdominal teats ; ears with very 

 small external openings ; brain large ; hemisphere well develop- 

 ed ; bone of the internal ear separate from the head ; two rudi- 

 mentary bones in the flesh are substituted for the pelvis. 



