Description of a Gibbon. 39 



by Camper and Blumenbach, Vicq d'Azyr says, the 

 intermaxillary bone is well detaclied from the superior 

 maxillary in the ourang. It is quite distinct in the skele- 

 ton prepared by Dr. Jeffi'ies, Though in Dr. Warren's, 

 whose skeleton corresponds with the last mentioned in 

 every other respect, there is no trace of one. 



2* None of the Simice whose skeletons have been 

 represented, exhibit such truly carnivorous, canine teeth, 

 which in this case prevent any lateral movement of the 

 jaw. The incisors also, have a more perpendicular direc- 

 tion than any other of the ourangs or gibbons. 



3. The transverse* processes of the cervical vertebree 

 are sharp-pointed, and are directed downw ards ; and that 

 of the sixth projects forwards, to beyond the body of the 

 bone. It resembles all other Quadrumana by not havmo- 



transmission 



bra. 



processes 



( 



) This I consider an important fact ; as Cu\aer 



make 



and 



and 



4. There are thirteen dorsal, six lumbar, one sacral, 



Cuvier gives, as belonging 



to the Gibbon, fourteen dorsal, three lumbar, six sacral, 



and 



coc 



and composed of more pieces than 



man. 



5. In this there are thirteen ribs ; in Dr. Harlan's, 

 fourteen ; Latreille says they have always twelve. 



6. The sternum is made up of three pieces, but the 

 thurd has no connexion with the ribs. Vicq d'Azyr* 

 says, that in the apes it is formed of eight pieces. Meckel,f 



CEuvres 



468 



Anatomie des Singes 



