MAMMALIA. BRUT A. Trlchechus. 37 
families of one male and one female with their offspring ; feeds 
on fea weeds, with its back above the water, on which fea- 
fowl perch to pick off the fea-lice; roars like a bull. 
Skin when wet brown, when dry black ; inffead of grinders a 
rugged bone in each jaw ; verubrx 60 ; fight weak, hearing 
acute ; fore-feet palmate like thofe of the lea-turtle, inffead of 
Aind-/set an horizontal tail ; ears o ■, na/n'fj dittant, regular ; 
upper lip fet witlr rigid incurved bridles ; 'teats 2, peSoral: 
length 23 feet ; ziieight about 8000 pounds ; fiejii fapid. 
Siren. Ear^ ere£l, fharp-pointed. 
Inhabits the north-weft coaft of America, fwims round fliips 
with antic geffures. 
7/i'fldreiembling adog; ejer large; whilkered : Wj thick, 
round, tapering downwards ; tail divided into 2 unequal 
lobes ; length about %t. 
ORDER. 
