\ 
MAMMALIA. GLIRES. Mus. 
27. Mus. upper wfedged: grind-’ 
3, rarely 2, each fide each jaw : 
clavicles perfecli 
Tliefe live m holes or any concealed chinks, climb and run 
wihly, lome fwim ; leek their food by night, which is chiefly 
egetable, and which they convey to the mouth by the fore- 
paws , females moftly 8 teats, breed many times a year, bring 
numerous litters ; fome migrate ; cars Ihort, rounded; fore- 
Jiet generally 4-toed, vJith a warty excrefcence inftead of a 5th, 
# 
_ A. Tail comprejjed at the end, 
^ ail middle length, fubcomprefTed, hairy j hind-feet pal- 
T Beaver Rat. 
nhabrts the waters of Chili, in appearance and colour refembles 
the otter. 
'Cail thick ; feet 5-toed ; ears rounded ; female brines k — 6 
young.- 
ttaj. Tail long^ comprefled, lanceolate; feet cleft. MuJkRat. 
fihabhs the flow ftreams of North America, on the banks of 
which it builds, but more fimply than the beaver ; feeds on 
ihell-filh, in fummer on fruit and herbs, in winter on roots, 
pai ticularly of flags and water lilies ; female 6 abdominal teats, 
j 'tg 3 — 6 young three or four times a year; fwims and diveS 
dexteroufly, walks unfteady : a foot long. 
■ ad a little fliorter than the body, flat, fcaly, brows ; toes of the 
hind-feet with rows of long, thick white hair ; claws reddilh ; 
hair loft, dark-brown j amts with glands lecreting a mufky, 
ody fluid. 
Pilu,.-, ‘h'all round, naked. 
* longllh, fcaly, truncate; body white. Mujk Cavy. 
2. tsody above tawny, befteath white. 
nhabits /rtdta, 2) Wejl /ndiatt iflands ; burrows, infefts houfes, 
Imells of mulk ; fize of a rabbit, t'ail 4 inches long. 
urs large, naked ; fore feet 4-toed, an excrefcence inftead of the 
thumb ; hind feet 5-toe.d. 
Inhabits the waters of eaftem Siberia and China, burrows on the 
fwims well, frequents houfes : 6 inches long. 
tiiad long, narrow; eyes nearer the' ears than the nofe: toes of 
the 
