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CHINCHILLA. 
Chinchilla lanigera, Benn. 
Natives of ChiK ; which produce the well-known and valuable fur 
that bears their name. — Chinchillas have been presented by Capt. 
Beechey, R.N., Lady Knighton, and Lord Colchester. Specimens 
brought home by Capt. Beechey afforded the earliest scientific details 
published of an animal previously known by its fur only, and by the 
accounts of travellers. 
WHITE RAT. 
Mus decumanus, var. alba. 
A white variety of the common Norway Rat. — Presented by — 
Douglas, Esq., and Thomas Milward, Esq. 
BLACK RAT. 
Mus Rattus, Linn. 
The aboriginal Rat of this country, formerly very abundant, but 
supposed to have been driven away by the preceding species. They 
have lately appeared in various parts of London. 
SPOTTED CAVY. 
Ccelogenus subniger, F. Cuv. Mus Paca, Linn. Paca, Buff. 
A native of South America, from Surinam to Paraguay. 
CAPYBARA. 
Hydrochserus Capybara, Erxl. Sus Hydrochaerus, Linn. Cabiai, Buff. 
Thick-nosed Tapir, Penn. 
Gregarious and nocturnal in its habits, it frequents the large rivers 
of Brasil. It is sometimes called the River- or Sea-Hog . — Specimens have 
been presented by Henry Baker, Esq. and by George Langslaff, Esq. 
BANDICOOT RAT. 
Mus giganteus, Hardw. 
The gigantic Rat of the Continent of India. — These specimens are 
from Bombay, and were presented by His Excellency Lord Clare. 
BARBARY MICE. 
Mus Barbarus, Linn. 
An elegantly striped species, which was known to Linnaeus, but sub- 
sequently lost to science until recovered on the possession by the Society 
of several individuals. It is common in Barbary. — Specimens have been 
presented by Lord Colchester, Hanmer Warrington, Esq., and E. W. A. 
Drummond Hay, Esq. 
WHITE MICE. 
Mus Muse ulus, var. alba. 
The well-known albino variety of the common Mouse. 
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