112 CETACEA. 



of this tube into the mouth, there is a strong sphincter muscle which 

 grasps the glottis. The glottis is a projecting part passing up through 

 the fauces into this tube, dividing the fauces into two, so that the food 

 must pass on each side of it. 



The larynx is composed of cartilage and bone. The trachea is made 

 up of annular cartilages, which are carried through its subdivisions into 

 the lungs. The cells of the lungs are similar to those of quadrupeds. 



The eyelids were a continuation of the skin and fat of the animal, 

 which gave them a firmness, and probably they have little or no motion 1 . 

 The orbit consisted of bone on one side, and on the other of the blubber 

 of the animal, which terminated in a regular smooth surface, forming 

 between them a complete orbit. The fat and cellular membrane imme- 

 diately belonging to the muscles and eyeball was of a pliant moveable 

 texture upon itself, similar to that in the human eye. 



Female Parts of Generation. — The vagina [with the common uterus] 

 is about 2| feet long from the opening in the belly to the division into 

 the two horns, having several interruptions in it similar to valves ; the 

 first of these is about 14 inches from the vulva ; a little above that 

 there is a semicircular valvular part ; and about 2 inches above this, 

 there is another veiy small one. Below the first valvular part, the 

 vagina is about 10 inches in circumference, but becomes smaller, and is 

 not above 3 inches. It divides into two horns, which are 18 inches 

 long ; and are nearly as wide as the last parts of the vagina, or what 

 may be called ' common uterus.' The whole internal surface of the 

 vagina, uterus, and horns, is thrown into longitudinal ruga?, which 

 are pretty broad and thin. At the termination of the horns entered the 

 Fallopian tubes, [the uterine orifices of] which were surrounded with 

 pendulous bodies, as it were hanging loose in the horn 2 . 



Of the Cellular and Adipose Membrane. — About the head and breast 

 bone the cellular membrane was extremely hard and ligamentous, and 

 more especially in the fins and tail. On the under surface of the neck, 

 the adipose membrane consisted of large circular cells filled with oil, 

 and when cut into, appeared like a water melon 3 . 



The cartilages of the ribs, which are articulated with the sternum, 

 are five pairs ; and at their articulation they have an intermediate 

 cartilage. 



The animal in its centre was warm, although it had been dead five times 

 twenty-four hours, and all the muscles in the centre of the body had lost 



1 [The structure of the eye is shown in Preps. Nos. 1689 — 1692 ; that of the 

 ear, in Preps. Nos. 1584, 1585, 1586, and 1595.] 

 - [Hunt. Preps. Nos. 2788—2791.] 

 3 [lb. Preps. Nos. 1841—1843, 1847, 1848.] 



