145 
long, and 12 round. Head nearly one- 
fourth the length of the body, round* 
small, and terminates in an obtuse round¬ 
ed snout. Mouth small; no teeth, but 
a large wreathed tusk or horn, (some¬ 
times two), often 10 feet long, proceeds 
from its upper jaw, diverging to one side, 
and tapering gradually towards the tip. 
Eyes and ears very small; one respiratory 
orifice in the back part of the head; back 
broad, convex, and tapering towards the 
tail, which is horizontally placed, and is 
divided into two obtuse oval lobes. Body 
of an ovoidal shape; no dorsal fins, but 
a high ridge or projection extends from 
the blow-hole to the origin of the tail, 
and gradually diminishes in height as it 
approaches the tail; two pectoral fins; 
colour generally cinerous, dappled with 
numerous multiform black spots ; belly 
a shining white, and soft as velvet to the 
touch. 
Naturalists differ greatly as to the 
K 
