BLACK BLUNT-NOSED CACHALOT. 
thick ; and the lower jaw, which is smallei: 
than the upper, has forty-six teeth, in two rows-, 
which rise between two and three inches above 
the gums, and are received into an equal num- 
ber of hollow^s, or sockets, in the upper jaw, 
when the mouth is shut. 
The White Blunt-Nosed Cachalot resem- 
bles the Common Whale, but has the head of 
a sharper form. It is about fifteen or sixteen 
feet long, and of a yellov.'ish white colour: 
the teeth are compressed, somewhat crooked 
inwards, and rounded at the ends. 
The Grey Blunt-Nosed Cachalot grows to 
sixty and even seventy feet long, by thirty or 
forty in circumference. It has a very large 
head, with very small eyes. The lower jaw is 
mucli narrower than the upper, and is furnished 
with a considerable number of teeth, which 
are received into sockets of the upper jaw when 
the mouth is shut. This variety agrees with 
the first, in having a hump on the back, which 
rises about a foot above the general surface. 
The Cachalot, in consequence of being 
more slender, is far more adlive than the Com- 
mon 
