i BUFFON'S JOCKO 21 



totally different a creature as the blue-faced 

 Baboon, is not so easily intelligible. 



Twenty years later Buffon changed his opinion, 1 

 and expressed his belief that the Orangs con- 

 stituted a genus with two species, a large one, 

 the Pongo of Battell, and a small one, the Jocko : 

 that .the small one (Jocko) is the East Indian 

 Orang ; and that the young animals from Africa, 

 observed by himself and Tulpius, are simply 

 young Pongos. 



In the meanwhile, the Dutch naturalist, Vos- 

 maer, gave, in 1778, a very good account and 

 figure of a young Orang, brought alive to Holland, 

 and his countryman, the famous anatomist, Peter 

 Camper, published (1779) an essay on the Orang- 

 Utan of similar value to that of Tyson on the 

 Chimpanzee. He dissected several females and a 

 male, all of which, from the state of their 

 skeleton and their dentition, he justly supposes 

 to have been young. However, judging by the 

 analogy of man, he concludes that they could not 

 have exceeded four feet in height in the adult 

 condition. Furthermore, he is very clear as to 

 the specific distinctness of the true East Indian 

 Orang. 



" The Orang," says he, " differs not only from 



the Pigmy of Tyson and from the Orang of 



Tulpius by its peculiar colour and its long toes, 



but also by its whole external form. Its arms, its 



1 Histoire Naturelle, Suppl. Tome 7eme, 1789. 



