7.^ MAMMALIA. GLIRES. Caftor. 
HeadiMong-, /noai narrow ; nojlrils black, rounded; 
lip cleft ; whijkirs black ; eyes large, black ; ears fiiort, ei<!' 
naked, black ; neck fliort, thick ; legs fhort ; fore-feet 4 
hair briftly, longer on the back, ufually black at the cO^ 
puddle yellow. 
26. CASTOR. Fore-teeth upper truncate* 
hollowed in a tranfverl’e angle; loW^' 
Iranfverfe at the ,top : grinders 4 eacl* 
jaw : tail long, deprefled, fcaly : 
vicles perfect. 
Piher. Tail ovate, flat, naked. 
8" White ; ta'il horiTiontally flat. 
Inhabits the northern parts of Europe, AJia, and America, on 
woody banks of rivers and unfrequented lakes ; feeds on 
bark and leaves of iuch trees as have not arefmousjuice, 1"*' 
not on filh or flefb ; walks How, Iwims dexteroully, 
profoundly, is very cleanly, eats fitting on its haunc*’'^'' 
conveys the food to its roouth with the fore-paws ; cuts do]^ 
trees svith the teeth, erefts convenient houfes, liyes in famil'J’'' 
from which are difmilTed fuch as are indolent, who becoms 
litary and are called hermits; female has 4 teats, gravid* 
months, brings -2, rarely 3 or 4, young ; in the ftmaure of’’ 
houie far exceeds the ingenuity of all other quadrupeds. 
Eetigih 2 3 feet ; tail half as long, about a fourth part f’”’! 
the body hairy, the reft Italy; feet 5-toed, liind-feet palma'^l 
eyes fmall ; ears fhort, covered with fur; neck thick, flind’ 
hack convex, ftrong ; hair foft, fliort, dufky, varying by 4'! 
mate to darker or lighter and fometimes fpotted ; falivary 
large ; ftomach at the right fide of the upper orifice furniflf , 
witli glands difehargipg into it through i8 orifices a ped’l’' 
fluid; near the genitals and anus two large glands with cclly*, 
follicle? fccreting a febaccous matter called Cajlor, of wl’’*' ' 
each animal has about 2 oupces. 
Tail comprefTcd, lanceolate, hairv; fore-feet lobed hi'”*' 
T 1 a a ’ Ckilefe 
Inhabits Uali in the deepeft parts of lakes and rivers fie’'”,' 
feeds on fifli, chiefly crabs, remains long under water ’ has 1”, 
the wonderful architcaure nor caftor of the laft brines 2'^' 
young ; about 3 feet long. ’ ° 
. i/wd nearly fquare ; /no«< obtufe ; fmall; cart fhort, roupf 
hair double like the laft, the undermoft ftner than a j 
valued by furriers ; on the back cinereous, bdly whitifli. , : 
I,. M'”' 
Huidoiri- 
