THE PONGO AND JOCKO. 103 



5. All the refemblances and differences drawn 

 from parts too minute, as the procefles of the 

 vertebrae, or derived from thepofition and mag- 

 nitude of certain parts, fhould only be confider- 

 ed as acceflbry charaders ; fo that the whole 

 detail of Tyfon's table may be reduced to the 

 refemblances and differences we have pointed 

 out. 



6. I fliall mention fome characHiers of a more 

 general nature, fome of which have been omit- 

 ted by Tyfon, and others imperfedly related. 

 I. Of all the apes, baboons, and monkeys, the 

 orang-outang alone wants thofe pouches with- 

 in the cheeks, into which they put their lood, 

 before they fwallow it ; for the infide of his 

 mouth is the fame as in man. 2. The gibbon, 

 the Barbary ape, all the baboons, and all the 

 monkeys, except the douc, have flat buttocks, 

 with callofities on them., The orang-outang- 

 alone has plump buttocks without callofities. 

 The douc likewife has no callofities ; but his 

 buttocks are flat and covered with hair ; fo that, 

 in this refped, the douc forms the fhade be- 

 tween the orang-outang and the monkeys. 

 3. The orang-outang alone has calfs of the legs 

 and flefhv buttocks. This fincrle charader 

 Ihows that he is heft formed for walking ered ; 

 only his toes are very long, and his heel rcfts with 

 more difliculty on the ground than that of man. 

 He runs with more eaie than he walks; and, to 

 ejrable him to walk eafily and long, he would 



require 



