6 MAMMALIA 



base internally ; canine-teeth solitary : grinders 5 or 6 

 each side, the first placed close to the canine-teeth : 

 tongue smooth : snout prominent: eyes furnished with 

 a nictitant membrane. 



9. TALPA. Front 'teeth in the upper-jaw 6, unequal; in 



the lower-jaw 8 : canine-teeth solitary, the upper-ones 

 larger: grinders 7 in the upper-jaw, 6 in the lower. 



10. SOREX. Front-tffth in the upper-jaw 2, long, cloven; 

 in the lower-jaw 2oi 4, the intermediate-ones shorter: 

 canine-teeth several each side : grinders cuspidate. 



J 1 . JKii i N A CEI; s. Front-ted h in the upper-jaw 2, distant ; 

 in the lower-jaw 2, close together : cminc-tetih 5 each 

 side in the upper- jaM 7 , and 3 in the lower: grinders 4 

 each side in each jaw : body covered with spines on 

 the upper parts. 



ORDER III. GLIRES. 



front-teeth 2 in, each jVitr, close together, remote from the 

 grinders : canine teeth none. 



J2. CASTOR. Front-teeth in the upper- jaw truncate, and 

 hollowed in a transverse angle ; in the lower-jaw 

 transverse at the tips : grinders 4 on each side : tail 

 long, depressed,, scaly : clavicles or collar-bones per- 

 fect. 



13. Mus. Front-teeth of the upper-jaw wedge-shaped : 

 grinders 3 each side, rarely only 2 : clavicles perfect. 



14. SCIURUS. Front-teeth of (he upper-jaw wedge-shaped, 

 of the lower acute : grindery 5 each side in the upper- 

 jaw, 4 in the lower: clavicles perfect: tail spreading 

 towards each side. 



13. MY oxu s. Front-teeth of the upper-jaw wedge-shaped, 

 of the lower compressed: g--inde:-s 4 in each jaw: 

 whiskers long : tail round y hairy, thicker towards the 

 tip : legs of equal length : fvre.feet 4-toed, 



16. LEPVS. Front-teeth of the upper-jaw furnished with 

 two smaller ones placed behind them. 



ORDER IV. FECORAj 



Front-teeth wanting in the upper-jaw ; in the loicer 6 or 8, 

 eery remote from the grinders : feet with cloven hoofs. 



37. CERVUS. Horns solid, branched, annual, covered 

 while young with a hairy skin : front-teeth in the 

 lower-jaw 8 : canine-teeth none, or a single one in the 

 upper -jaw. 



78. CAPRA*. Horns hollow, pointing upwards and turned 

 fciick; compressed; rough; nearly close together at the 



