324 MAMMALIA. 



Genus PRODELPHINUS. 



Clymene, Gray P. Z. S., p. 237 (1864). 



Clymenia, Gray Suppl. Cat. Seals and Whales, p. 69 (1871). 



Prodelphinus, Van Beneden et Cervais Osteogr. des Cetaces, p. 604 (1880). 



Prodelphinus obscurus. 



Delphinus obscurus, Gray Spiceleg. Zool., p. 2 (1828) ; Blyth Cat, no. 278, 



p. 90. 

 Clynienia obscura, Flovier P. Z. S., p. 512 (1883). 

 Prodelphinus obscurus, Flower List Cetacea B. M., p. 28 (1885). 



Distribution. — Southern seas; there are in the British Museum 

 and in the Museum of the Royal College of Surgeons specimens 

 from New Zealand, the Cape and the west coast of South America. 



The skulls catalogued below certainly belong to the genus Pro- 

 delphinus as defined by Prof. Flower (P. Z. S., 1883); they seem 

 more nearly allied to P. obscurus than to any other species. 



a. Skull No history, A.S.B. 



b. Skull Palk Straits, Ceylon O, L. Fraser. 



Prodelphinus attenuatus. 



Steno attenuatus, Gray Zool. Ereb. and Terr., p. 44, pi. xxviii (1846); 



Blyth Cat. no. 283, p. 92. 

 Clymenia attenuata. Flower P. Z. S., p. 512 (1883). 

 Prodelphinus attenuatus, Flower List Cetacea B. M., p. 30 (1885). 



Distribution. — Indian Ocean, the Bay of Bengal to the Cape. 



The specimens attributed to this species, bear a considerable 

 resemblance to the specimens identified with the previous P. 

 obscurus, but the rostra are considerably narrower and the teeth 

 more numerous, being about^g^ instead of |^* 



a. Skull No history, A.S.B. 



b. Skull Bay of Bengal Capt. Jethro Fairweather, 



1859, A.S.B. 



c. Skull Cape of Good Hope R. C. Tytler, 1859, A.S.B. 



d. Lower jaw C. Henry, A.S.B. 



<-/. 2 Skulls, no No history, A.S.B. 



lower jaws. 



Genus STENO. 



Steno, Gray Zool. Ereb. and Terr., p. 43 (1846). 



Steno rostratus. 



Delphinus rostratus, Desmarest N.Dict. d' Hist. Nat., ix, p. 160 (1817). 



