LAGENOEHYNCHUS CJEEULEO-ALBITS, Meyen. The Bluish-white Dolphin. 



Synonyms Delphinus cceruleo-albus, Meyen. 



LagenorJiynchus cteruleo-albus, Gray, S. and W., p. 268. 

 DelpUnus albirostratus, Peale, Expl. Exped. 



Teeth ^, about six in an inch. 



Colour, " the back bluish, sides white, with oblique bluish streaks, 

 belly white," in other specimens " dark blue-grey ; fins and back nearly 

 black ; a dark line connects the corners of the mouth with the pectoral 

 fins ; front and sides dark grey, covered with small vermicular white 

 spots ; end of snout, white ; commissure of the lips pale yellow." 



Length from five and a half to six and a half feet. 



Inhab. Pacific Ocean. East Coast of South America. 



LAGKENOEHYNCHUS ? iNTEEMEDius 1 , Gray. The Small Killer. 



Synonyms DelpUnus intermedius, Gray, Ann. Phil., 1827. 

 Orca intermedia, Gray, S. & W., p. 283. 

 Feresa intermedia, Gray, Supp., p. 78. 



ii-n 



Teeth n^n? long? conical. 



From a single skull in the British Museum. 



Genus OECAELLA, 2 Gray. 



"Head blunt, rounded, very convex; body moderate; dorsal fin 

 moderate ; pectoral fin broad. Skull : brain case, sub-globular ; beak 

 very short, about f of the entire length of the skull, tapering, flat above ; 

 palate flat in front ; rostral triangle very large, produced much in 

 front of the maxillary notch ; lower jaw projects beyond the upper one ; 

 symphysis short ; teeth small, slender, conical." 



OECAELLA BEEVisosTBis, 3 Owen. The Short-beaked Killer. 



Synonyms Phoccena brevirostris, Owen, Trans. Zool. Soc., vol. vi, p. 24. 

 Orca brevirostris,-Grra,y, S. & W., p. 285. 

 Orcaella brevirostris, Gray, Sup pi., p. 80. 



Teeth uiu, slender, conical. 



Black ; body stout ; dorsal fin sub-centrical. 



Inhab : estuaries of the Ganges ; Madras. 



This species was first described in 1866, by Professor Owen, from the 

 skull of a young animal, which was cast ashore in the harbour of 

 Vizagapatam, on the east coast of India ; but since this period it has 

 been observed by Dr. Anderson and Mr. Elliott. It is remarkable for 



1 Intermediate. 



2 Diminutive of Orca. 



3 brems, short, and rostrum , beak. 



