Observations on a rare British Dolphin. 6*13 



The following tables exhibit the dimensions of the stuffed 

 specimen. 



Body. 



FT. IN. 



From the extremity of the muzzle to the termination of the 



caudal lobes 8 10 



Circumference of the neck 3 8 



Ditto at the anterior origin of the dorsal fin 4 6 



Ditto at the posterior root of ditto 4 1 



Ditto midway between the dorsal and caudal 2 7 



Ditto at the origin of the caudal lobes 1 2 



Head. 



Forehead convex ; from its base the superior maxillcB are 

 abruptly developed to form a slender elongated muzzle, with 

 a blunt rounded extremity, and having a slight inclination 

 upwards. 



FT. IN. 



Length from the symphysis, over the frontal eminence, to the 



posterior boundary of the blow-hole 1 4£ 



Length of the rostrum , 4^ 



Ditto from the base of the frontal eminence to the blow-hole 1 



Ditto across the forehead to the base of the upper jaw 1 5 



Circumference of the rostrum, mouth closed 1 3 



Length of the upper maxilla from the last molar to symphysis ,,11^ 



Width across the last superior molares „ 4f 



Lower Jaw. 



The inferior maxilla is half an inch longer than the upper; 

 its branches are slightly arched upwards, and gradually ap- 

 proach to form a blunt beak at the symphysis. 



FT. IN. 



Length from the last molar to the symphysis 1 



Width across the last inferior rnolares „ 4£ 



Teeth 



In the right superior maxilla 21 ; in the left 19, and two 

 empty sockets. In the lower jaw there are 21 in each ramus. 



Eye. 

 This organ is placed nearly in a line with the angle of the 

 mouth, and immediately below the nostrils ; the eye-lids are 

 1^ inch in diameter ; and the distance from the inner angle 

 of the eye to the extremity of the muzzle is 14 inches; from 

 the upper eye-lid to the centre of the blow-hole is 1\ inches. 



Blow-Hole. 



This aperture is situated at the summit of the head, above 

 the orbit ; the valve is of a semilunar form, the convexity of 



3o2 



