MAMMALIA. 307 



it is furnished with a moveable linger-liiie process, fitted lor 

 grasping ; feet with five toes on the fore feet, and four on iLe 

 hind ones. , 



Loxodonta Africanus. — The Loxodon, or African Ele 

 PHANT.— Plate XVII* fig. 7.— Described, vol. II. p. 459. 



Genus 3. — Mastodon. — Ctivier. 



Fossil. 



Generic Character. — Incisory feeth ^, no canines, grinders 

 111' total 10. Grinders rectangular, without cortical substance, 

 the crowns with points disposed in pairs, varying in number. 



Mastodon giganteum. — The Mammoth. — Plate XVII*. fig. 

 4. — Described, vol. II. p. 487. 



Family II. — True Pachyderma. 



Most of them with three kinds of teeth ; two, at least, in 

 others ; feet with four or two toes. 



Genus 4 — Hippopotamus Linnceus. 



Generic Character. — Incisors *, canines J—}, grinders J-J ; to- 

 tal 40. Upper incisory teeth thick, short, and conical, bent in- 

 ward, the lower ones cylindrical, directed obliquely forward, the 

 intermediate being the strongest; the canines greatly deve- 

 loped, forming strong tusks, which are obliquely truncated ; the 

 three or four first grinders are conical and simple ; head thick 

 and square ; muzzle large and obtuse ; eyes and ears very small ; 

 body very thick and heavy ; legs short ; feet with four toes ; 

 with two ventral mammoe ; skin without hair ; tail short, with 

 hairs near its point. 



Hippopotamus amphihius. — The Hippopotamus. — Plate 

 XVII. fig. 4 Described, vol. II. p. 114. 



Genus 5. — Sus. — Linnceus. 



Generic Character. — Incisors \ or ^, canines J^p grinders IrJ. ; 

 total 42 or 44. The lower incisory teeth directed obliquely for- 

 ward, the upper ones conical ; the canines protruded, and bent 

 upwards ; grinders simple and tuberculous ; nose elongated, car- 

 tilaginous, and furnished with a particular bone to the snout ; 

 feet with four toes, the two muklle ones only touching the 



