Cetacea. 1405 



rior fourth of the total length of the body, which (total length) equals 

 a dozen times the length of these fins. Their form is oval, lengthened, 

 obtuse at apex, and small relatively to the dimensions of the animal ; 

 dorsal fin recurved, and situated about a third before the tail, its 

 height is less than the length of its base, it equals about one-seven- 

 teenth of the length of the body, and five times its length, reaching to 

 the extremity of the tail ;* tail two-lobed and crescent-shaped, the 

 lobes half as long again as the height of the dorsal : the distance from 

 the extremity of the mouth to the base of the pectorals is nearly equal 

 to the distance from the base of the dorsal to the deepest part of the 

 concave emargination of the tail's crescent. 



Dimensions. 





ft. 



in. 



Total length 



10 



7 



Circumference of body behind pectorals 



6 



2 



Length of snout or beak 







11 



Distance of spiracle from apex of beak 



1 



4 



Width of spiracle 







H 



Pectorals to apex of snout 



2 



9 



Eye to apex of snout 



1 



** 



Dorsal to extremity of caudal 



3 



6 



Anterior part of dorsal to apex of snout 



6 



H 



Length of dorsal 







9 



Length of pectorals 







10* 



Width of pectorals 







** 



Width of caudal from angle to angle of crescent 



2 



o 



Anus to apex of tail 



3 



1 



Vulva to apex of snout 



6 



9 



Length of vulva 







5i 



Vulva to anus 







5 



Height of dorsal 







H 



Anatomy, Little is known of the viscera and internal parts of this 

 whale, the only portions which have been preserved being 1, the di- 

 gestive organs, 2, urinary apparatus, and 3, windpipe. 



1. The first of these, as is the case with all Cetacea, is formed of 

 three cavities, corresponding to those of ruminating animals ; the 



* All these measures are simply made by sight, and are not rigorously exact for 

 their dimensions. 



iv 5 s 



