259 



Sixteenth Genus. — INIA. 



Tlio Inia has the heak long like that of the Dolphin, hut 

 cylindrical, and. bristled with stroncr hoirs ; it has many 

 teeth, incisors anteriorly, molares posteriorly. The tem- 

 poral fossa and crest are also peculiar. 



I. BOLIVIENSIS, D'Oriugnv, Fk. Cuvikk. 

 PLATE XXIX. 



It is to 31. D'Orbigiiy ^ve are indebted for our 

 acquaintance with this curious animal, Avhich he 

 has very properly placed in a new genus, thereby 

 establishing a link between the Soosoo and the 

 Stellerus, one of the herbiverous Ceta?. We have 

 found the Soosoo in the water of the Ganges, a 

 hundred miles from the ocean. But the Boliviensis 

 is met with thousands of miles from the sea, and it 

 appears to be an inhabitant solely of rivers and fresh 

 water lakes. It was in the early tributaries of tlie 

 Amazons, and in the lakes of High Peru, it was 

 found ; and when M. D'Orbigny first heard of it in 

 these regions, he was not a little sceptical that he 

 should encounter one of the whale tribe at the foot 

 of the Cordilleras. 



In the principality of Beira, however, where they 

 are in the habit of killing them for their oil, one 

 was harpooned, and brought to the piirty alive ; 



