MAMMALIA. 669 



of eyes, with lip entire. Feet semi-palmate, the anterior tetradacty- 

 \o\is, the posterior tridactylous. Claws broad, imgnlar. Body 

 covered with hair thinly disposed, setaceous, long. Tail none. 



Sp. ffydrochcerus capybara Desm., Sus Hydrochceris L., Buff. xii. PI. 49, 

 GUERIN lcono(jv., Mammif. PI. 31, fig. 3. This animal is the largest of 

 the order, and attains a length of 3 to 4 feet. The capyhara lives on the 

 banks of rivers in Brasil, Surinam and throughout nearly the whole of 

 South America. 



Coelogenys F. Cuv., Illig. Molar teeth complex or semi-com- 

 plex. Lip cloven. Fore feet with four toes and unguiculate 

 hailucar wart ; hind feet tridactylous. Tail very short. (A fold of 

 skin under the zygoma large and tumid. Internal buccal pouches.) 



Comp. r. CuviER Du genre Paca, Cceloc/enys, Ann. dii Mus. X. 1807, 

 pp. 203—209, PI. IX. A, figs. I — 6. 



Sp. Cceloffenys suhnigra, and Cod. fidva, probably only varieties of the same 

 species, Mus Paca L. (Cavia Paca auctor.) Buff. x. PI. 43, Siq^j^l. m. 

 PI. 33, GUER. Iconogr., Mammif. PI. 32, fig. 3. This animal attains a 

 length of nearly two feet ; colour dark brown or reddish with white spots, 

 placed on the sides of the body in four or five longitudinal rows. The 

 flesh, which is very fat, is eaten. The buccal pouches were first described 

 by Geoffrot St.-Hilaire Ann. du Mus. iv. 1804, pp. 99 — loi, 



Dasyjprocta Illig., Chloromys F. Cuv. Molar teeth complex. 

 Lip cloven. Fore feet with four toes and hailucar wart; hinder 

 tridactylous. Tail a short, naked tubercle. Hair towards the 

 hind part of back and over the hips elongate. 



Sp. Dasyjn-octa Aguti Desm., Mus Aguti L., Buff. viii. PI. 50, Cuv. Menag. 

 du Mus. i. pp. 271 — 284; — Dasypr. Acuschy Desm., Cavia Acuschy Buff. 

 Su2:>2)l. III. PI. 36, GuER. Iconogr., Mammif. PI. 32, fig. 2 (with tail longer 

 than in the preceding). Both species from the North of Brasil, from 

 Guiana and Surinam ; commonly pursued as game in Brasil ; whilst feed- 

 ing they sit on the hmd feet, holding the food with their fore feet. 



4 — 4 

 Family XXIV. Aculeata. Molars in adults -r — ^ , complex, 



with undulate striai of enamel in the crown. Incisors large, mostly 

 coloured anteriorly, not grooved. Body covered with rigid, acumi- 

 nate spines. Fore feet tetradactylous, with pollex very small, 

 resembling a wart, hind feet pentadactylous or tetradactylous. 



This family consists of the j)orcupines, the genus Hystrix L. 

 Species belonging to it are found both in the Old and the New 



