4. NBoziPHros. ].01 



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 niale, and beyond it in the female. 

 Cervical vertebrae free. Scapula with large coracoid and acromion 

 processes. 



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



" Micropteron : cervical vertebrae aU united in one solid mass." 

 — Flower, I. e. p. 328. 



1. ZipMus Sowerbiensis. £.M. 



Ziphius SowerMensis, Oram, I. c. p. 35D, flg. 71 : Synops, Whales &■ 



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

 Mesoplodon Sowerbiensis, Gervais, OsUog. CU. t, 22 & 23 (skuU and 



ear-bone) ; Van Benedeai, Mem. de TAcad. Brux. vol. x. t. .3. 

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



Inhab. British Channel. Irish Sea. 



3. DOLICHODON. 



Dolichodon, Gray, I. c. p. 353 ; Sh/nops. Whales ^ 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 thC' end, with a conical process on the ftront of the terminal 

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

 gate. 



1. Dolichodon Layardii. £.M. 



Gray, I. o. p. 353, flg. 72. 

 dii,. Gray, Synops. WhaU 



Inhab. Cape of Good- Hope (M. Layard). 



ZipHua Layardii, Cfray, I. c. p. 353, flg. 72. 



DoEchodon Layardii,. Gray, Synops. Whales 8f Dolph. p. 10. 



4. NEOZIPHIUS. 



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 europssus, Gervais, OsUog. Cet. t. 24 (skull). 

 Inhab. Mediterranean. 



