4. NE0ZIPHIU8. 101 



the male large, short, compressed, truncated at the end ; of female 

 small, curved. Lower jaw often with sundry rudimentary teeth, 

 gradually tapering in front ; symphysis elongate, and reaching to 

 the middle of the teeth in the male, and beyond it in the female. 

 Cervical vertebra? free. Scapula with large coracoid and acromion 

 processes. 



Vertebras 46 :— C. 7. D. 10. L. 10. C. 19. 



" Micropteron : cervical vertebras all united in one solid mass.' 

 —Flower, I. c. p. 328. 



1. Ziphius Sowerbiensis. B.M. 



Ziphius Sowerbiensis, Gray, I. c. p. 350, fig. 71 ; Synops. Whales fy 



Dolph. p. 10, tab. 5. f. 3, 4 (skull). 

 Mesoplodon Sowerbiensis, Gervais, Osteog. Cet. t. 22 & 23 (skull and 



ear-bone) ; Van Beneden, Mem. de VAcad. Brux. vol. x. t. 3. 

 Dioplodon Sowerbiensis, Gervais, Zool. et Paleont. Francaise, t. 30. 



f. 1. 



Inhab. British Channel. Irish Sea. 



3. DOLICHODON. 



Dolichodon, Gray, I. c. p. 353 ; Synops. IVhales 8f Dolph. p. 10. 

 Teeth 2, in the middle of the sides of the lower jaw. Teeth (of 

 male) very long, strap-shaped, produced, arched obliquely, trun- 

 cated at the end, with a conical process on the front of the terminal 

 edge. Lower jaw weak, very slender in front.' Symphysis elon- 

 gate. 



1. Dolichodon Layardii. B.M. 



Ziphius Layardii, Gray, I. c. p. 353, fig. 72. 



Dolichodon Layardii, Gray, Sy?wps. Whales <$• Dolph. p. 10. 



Inhab. Cape of Good Hope (H. Layard). 



4. NE0ZIPHIUS. 



Teeth 2, in the front of the lower jaw, with a compressed, 

 short, triangular crown. Lower jaw strong, rather narrow in the 

 middle, and suddenly tapering in front of the tooth. Symphysis 

 to the back edge of the teeth. 



1. Neoziphius europaeus. 



Dioplodon europreus, Gervais, Osteog. Cet. t. 24 (skull). 

 Inhab. Mediterranean. 



L 



