210 



Tenth Genus.— DELPHINAPTERUS. 



The Delphinapterus is distinguished from the Dolphin by- 

 having no dorsal fin ; and from the Beluga, by having in 

 front of the head a slender beak, flattened transversally, 

 and separated from the head by a deep furrow. The 

 Beluga, moreover, belongs to the northern hemisphere, the 

 Delphinapterus to the southern. 



DELPHINAPTERUS PERONII. 



PLATE XVL 



Delphinapterus Peronii, Cuvier^ Lesson — Delphinus Leuco- 

 gramphus, Feron D. Peronii, Laeepede. 



CuviER had recognized this whale, first described 

 by Peron, as belonging to this genus ; but we are 

 especially indebted to the able author of Zoohgie 

 de la Loquille for an accurate account of it. We ex- 

 tract our description from this interesting writer. 



High southern latitudes are the resort of the 

 Delphinapterus of Peron. The historian of the 

 voyage of Baudin met -with them to the south of 

 Van Diemen s Land, Dr. Quoy saw them near New 

 Guinea, and we have seen them off ]\Iagellan's 

 Straits, and among the Falkland Islands. Many 

 hundreds of them suiTounded the cor\'ette, in Ja- 

 nuary 1823, on our entering the Southern Ocean, 



