MANUAL OF NATUKAL HISTOKY. 21 



sive ; toes five on each foot, included in 

 hard skin. 



3. Family. — Tapirs (Tapiridse). Nose lengthened 



into a short proboscis of considerable flexi- 

 bility and prehension; six incisors and 

 two canines in each jaw; fore feet have each 

 four toes ? hind three, cased in small hoofs 

 at tip. 



4. Family. — Hogs (Suidae). Muzzle long, narrow, 



and truncate ; nose mobile ; incisors vari- 

 able ; canines large and projecting, those of 

 upper jaw turned up, lower longer, often very 

 angular, recurved ; skin covered with strong, 

 stiff hair ; tail rather short, or none ; legs 

 rather short ; feet with four toes furnished 

 with hoofe, the two middle toes being consi- 

 derably the largest, postero-lateral pair small 

 and scarcely reaching the ground. 



5. Family. — Rhinoceri (Rhinocerotidse). Skin of 



extraordinary strength and thickness, often 

 arranged in folds ; nose furnished with one 

 or more formidable recurved horns ; upper 

 lip long and flexible ; toes three in number 

 on each foot, shod with blunt hoofs. 



6. Family. — Damans. (Hyracidse). Form some- 



what like the Rodents ; size not exceeding 

 that of a Hare ; muzzle and ears short ; tail 

 a mere tubercle ; body clothed with fur ; two 

 incisors in upper jaw, four in lower ; three 

 or four toes to each of fore feet, three to 

 hind, united by the skin to the nails, which 



