300 MAMMALIA. 



groove: whiskers very long. Length of the body one foot; 

 tail five inches. Inhabits the Island of Fernando Po. 



Genus 24. — Chinchilla, — Bennet. 



Generic Character. — Incisory teeth |, no canines, grinders *-* • 

 total 20. The three anterior grinders of the upper jaw forme d 

 of three parallel bony portions, the third separated from the 

 rest by a deep groove, with three alternating lines of enamel, 

 and the fourth having an additional portion of bone and enamel ; 

 head round, eyes large ; ears very large, broad, and rounded ; 

 fore feet with four toes, and a rudimentary thumb ; hind feet 

 also with four toes, three of them long, the middle more pro- 

 duced than the two lateral ones, the fourth, or external toe, 

 very short, and placed far behind ; claws short, and nearly bid- 

 den by tufts of hairs ; tail half the length of the body, usually 

 turned upwards. 



Chinchillalanigera. — The Chinchilla. — Plate XVI*. fig. 10. 

 — Fur ash-gray and white, and exceedingly soft; ears large, be- 

 ing nearly as long as the head ; eyes large and black ; moustaches 

 plentiful, and very long, the longest being twice the length of 

 the head, some of which are black and others white. Length 

 of the body nine inches, and tail five. Sits usually upon its 

 haunches, the fore legs being shorter than the hind ones. In- 

 habits Chili and Peru. — See its history, vol. II. p. 512. 



Genus 25. — Lepus — Linnceus. 



Generic Character. — Incisory teeth *, no canines, grinders ^^f ; 

 total 28. The upper incisory teeth are placed in pairs, two 

 wedge-shaped, with a longitudinal furrow in front, and two 

 smaller ones immediately behind; the under incisory teeth 

 square; grinders with flat crowns and transverse laminae of 

 enamel ; ears and eyes large ; fore feet with five toes, and the 

 hind feet four, with slightly arched nails ; all the feet are covered 

 with hair -, tail short, erect ; teats from six to ten ; the csecum 

 is very large. 



Lepustimidus — The Hare. — Plate XVI. fig. 3. — Fur brown- 

 ish-red and gray mixed ; chin and belly white ; ears black at the 

 tips; tail black above and white underneath. About two feet in 

 length. Inhabits Europe, and the northern and temperate 

 parts of the old world. 



