HYSTRICIDJE. 
125 
lanica, Lesson, Cent . Zool. t. 42. Patagonian Cavy, 
Penn . FL A. 39. t. 68. Griffith, A. K. t. 134. 
a . Patagonia. — Presented by Sir William Burnett and 
Capt. Fitzroy, R.N. 
The Yellow Paca. Ccelogenys fulvus, F . Cuv. Ann . 
Mw,?. x. 203. t. 9. f. 1, 2. Cavia paca, Geoff. Buffon, 
H . A. x. t. 43. Ostreoporaplatycephala, Harlan, Jour. 
Acad. N. S. Philad. t. 
a. In spirits. 
h. Skull. Trinidad. — Presented by Joseph Wright, Esq. 
c. Young. Tropical America. 
The Sooty Paca. Ccelogenys Paca, F . Cuv. Mus Paca, 
Linn . Buff. H. N. Supp. hi. t. 35. C. subniger, F. 
Cuv. Ann. Mus. x. 203. t. 9. f. 3, 4. 
a . Tropical America, Santa Fe de Bogota. 
b. Skull. 
d. Hydrocherina. 
The Capybara. Hydrochasrus Capybara, Erxl. Mus 
Hydrochaeris, Linn. Cavia Capybara, Zimm . Buffon, 
H. N. xn. 384. t. 49. 
a. b. c . Very young, in spirits. Tropical America. 
d. Skull imperfect. Tropical America. 
e. Caviura. 
The Cavy. CAviA^Apersea, Erxl. C. obscura, Licht. 
Doubl. 3. C. Cobay^ Ftefm. Mam. Lithog. t. Pr . 
Max. Abbild.t. " 
a. Brazils. — Presented by Sir William Burnett and Capt. 
Fitzroy, R.N. Jk4 
b. In spirits. White, black and yellow, varied.- Domes- 
ticated in London. . ^ * * . . 
Mus Porcellus, Linn. Am. Acad. iv. t. 2. M. Brasi- 
liensis, Linn. Cavia Cobaya, Marg. Sclireb . Guinea 
Pig, Edwards, Birds, t. Buff. H. N. vm. t. 1. 
c. and d. Adult male and female. Domesticated in 
London. 
e. and f. Young of c. and d. 
