80 DELPHINID^E. 



and dorsal processes. Bladebone broad, with large coracoid and 

 acromion processes, which are much nearer together than usual. 



* Beak bhint, truncated in front. Pseudorca. * 



1. Pseudorca crassidens. 



Pseudorca crassidens, Gray, Cat. S. 8f W. p. 290. no. 1 ; Sytwps. 

 IVhales $■ Dolph. p. 8 ; Gervais, Osteogr. Cet. t. 50. f. 7-17. 



Beak about two-thirds the length of the brain-cavity, broad, 

 rather tapering on the sides, truncated in front ; teeth 8. 

 Inhab. North Sea. 



** Beak narrow, tapering, and rounded in front. Neoorca. 



2. Pseudorca meridionalis. B.M. 



Pseudorca meridionalis, Gray, I. e. p. 291. no. 2, figs. 58,59 ; Synops. 

 Whales 8f Dolph. p. 8 ; Gervais, Osteogr. Cet. t. 50. 



Beak as long as the brain-cavity, tapering on the side, and 

 rounded in front. Teeth 8. 

 Inhab. Van Diemen's Land. 



13. OPvCAELLA. 



Orcaella, Gray, I. c. p. 285 ; Synops. Whales fy Dolph. p. 7. 

 Head blunt, rounded, very convex. Body moderate. Dorsal fin 

 moderate, more or less behind the middle of the back ; the pectoral 

 fin broad. Skull : — brain-case subglobular ; beak very short, two- 

 thirds the length of the brain-case, tapering, flat above. Intermax- 

 illary half as wide as beak. Teeth small, conical, "' * or fOi* 



1. Orcaella brevirostris. B.M. 



Orcaella brevirostris, Gray, I. c. p. 285 ; Synops. Whales fy Dolph. 



p. 7 ; Anderson's Icon. ined. (animal and skull). 

 Phocsena brevirostris, Owen, Trans. Zool. Soc. vi. t. 9. 

 Globiocephalus indicus (part.), Blyth. 



Black ; body stout ; dorsal fin subcentral. 



Inhab. Estuaries of the Ganges (Dr. Anderson) ; Madras (Elliot). 



2. Orcaella fluminalis. 



Orcaella fluminalis, Anderson's MS. #■ Icon. ined. 



Dolphin of the Irawady, Anderson, P. Z. S. 1870, pp. 220, 544. 



" Body slender, dirty white ; dorsal fin more posterior." 

 Inhab. River Irawady, deep channels, from 300 to 1000 miles 

 from the sea (Dr. Anderson). 



