MAMMALIA. BRUTA. Trichcchus. 
J3- 
^JI^^CHECHUS. Fore-teeth, the 
^dult) o in either jaw- ivjks upper 
lolitary : grinders in both jaws coniift' 
ing of a furrowed bone; bodyoh\ong\ ' 
lips double: hind-Jeet llretched back, 
lorming a fin. 
All inhabit the fea, feed on fca-weeds, coralines and Ihell-filh, 
not on flelh. 
jaw remote, projeaing. Morje.. 
Inhabit near the Artie Pole, at the mouths of riven ; roar like 
bulls, inore when aQeep, gregarious, defend thcmfdvcs vi- 
goroully, if wounded will attempt to link boats bv ftrikins 
their tulks into the hdes. ® 
fore.teelh in the_ young 2, Irnall, in the upper jaw; tufks very 
remote, acuminate, fometimes weighing 30 'pounds; ivory 
with interwoven fibres not eafily turning yellow, the central 
part browilh; grinders 4, Imall, in each jaw both, lides, 
acute, with an excavation behind the tip ; wkijkers like ftraws, 
pellucid; noyJn/r lunar; neck thick; feet 5. toed, claws 
1 ^3ces; oil plentiful, much valued; 
15 feet. 
tHurong, 
Tulles in the upper jatv projefting, approximate. 
Inhabits the feabetw^n the of Good HopeXTpZup 7 ine 
iflands ; feeds on iea weeds, 
/And more acuminate and narrow; nofrils larger and placed 
oroicier, diitant, in the upper law a Lnvev o • ^ 
toral m relbmblcs bJF ^ P^"' 
Mauatus. Tulles o. 
I- AuJlraVis. Fore-feet 4,-tped, clawed. 
Inhabits Ont African and and American feas, near tJie mouths of 
rivers, leldom going far from the nrore. ouths of 
Shn black, cinereous; grinders q in each iaw i rj 
. fqiiared, covered with a glaily enamel ; verUhra- 50^, ’ 
' 2- Borealis. Hair, tOes, claws o. 
' Inliabits the north-weft coaft of America, frequentlv - .r 
the mouflis of rivers; is tamed by the nltiij, foniof mu"S 
13 t!-? Dolphin of the ^icients; eats vomcioufly, lives in 
families 
