350 ZIPHIIDJS. 



Hyperoodon, but he observes, "whether the generic distinction of 

 the two be correct appears very doubtful." — Brit. Quad. 499. 



Fig. 71. 



SkuU of ZipMus Sowerbiensis, (J . Back of head cut off. 



• Teeth of male short, truncated at the end. Ziphius. 



1. ZipMus Sowerbieusis. 



Black, grey beneath. Teeth obliquely truncated at the end. 



Ziphius Sowerbienaes, Gray, Proc. Zool Soc. 1864, 241 (c? & ?). 

 J. Physeter bidens, Sowerhy, Brit. Misc. t. 1, 1806, and icon ined. in 



Mus. Brit, (a male). 

 Diodon bidens. Bell, Brit. Quad. 497, fig. cop. Sowerhy. 

 Delphinus Sowerbii, Jardine, Nat. Lib. 1. 12, cop. Sowerhy. 

 Micropteron (male), JEschricht, Ann. Sf Mag. H. N. 1852. 

 D. Sowerbiensis, Blainv. in Desm. Nouv. Diet. H. N. ix. 177. 

 D. Sowerbyi, Desm. Mamm. 521. 



Delphinorhynchus bidens. Gray, Ann. ^ May. N. S. 1846. 

 Heterodon Sowerbyi, Lesson, Man. Mamm. 419. 

 Ziphius Sowerbiensis, Gray, Zool. Brebus ^ Terror, t. 5. £ 3, 4, from 



Blainv. dratoiny, p. 53, of skull. 

 Diodon Sowerbsei, Mell, Brit. Quad. 497. 

 Diodon Sowerbi, Jardine, Whales, 192. f. 13. 

 Mesodiodon Sowerbyi, Duvernoy, Ann. Sci. Nat. 1851, xv. 55. t. 2. 



f. 22 (skull). 

 Mesoplodon Sowerbiensis, Gervais, Zool. et Pal. Franq. t. 40. £ 1, t. 38. 



£ 8 (lower jaw) ; Van Beneden, Mhn. Acad. Brux. xvi. t. 4; M^. 



Acad. Bely. xxxii. 1860, 34. 



