fclDENT DOLPHIN, &€-, 
m 
Bident dolphin. 
*V 
This is introduced by Mr. Hunter into the 
Philosophical Transactions, and is the bottle-nosed 
whale of Dale. It has the general appearance of 
the dolphin, but has a much shorter snout, the front 
bulging out very much above, and has only two 
teeth, which are situated in front of the upper jaw. 
The specimen mentioned by Mr. Hunter measured 
twenty-one feet in length. The pectoral and back 
fins are small, and the latter placed pretty low oo 
the back. 
Narrow-snouted dolphin. 
Known only from the head, or bones of the jaws. 
Supposed to inhabit the Indian seas. The jaws are 
extremely narrow in proportion to their length, 
which is about two feet ; the teeth are small, not 
numerous, distant, and shaped somewhat like the 
molaresof quadrupeds. 
Beluga. 
This is a species which appears to have been 
not very distinctly known till within a few years 
past. It is a native of the northern seas, and, like 
the porpesse, sometimes enters into rivers. It has 
been well described both by Fabricius and Pallas. 
It is of a more elegant appearance than the rest of 
this tribe, and when full grown is entirely milk- 
white, in some specimens tinged very slightly with 
rose-colour, and in others with blueish. It mea- 
sures from twelve to eighteen feet in length, and 
sometimes even more, and preys upon all kinds of 
middle-sized fish ; as herrings, cod, flatfish, &c. 
&e. It is a gregarious species, and is often ob* 
