24 



ME. F. E, BEDDARD ON THE 



[Jan. 17, 



Tlie intraparietal sukus of brain No. 2 of Ci/nopiihecus is 

 precisely like that of a Macaque or a Baboon, in that it does not 

 bend outwards before joining the Simian fissure ; this intraparietal 

 fissure does not reach the fissure of Rolando. The fissvire of 

 Rolando itself only cuts the inter-hemispheral sulcus on the right 

 side of the brain. The median pari eto- occipital sulcus in the 

 brain of CynopitheciijS which I describe heie for the first time has 

 a foi'ward inclination as in the Macaques. 



Text -fig. 11. 



Bi'aiu of Cynopitliecus niger (dorsal aspect). 



c. Lateral occipital fissure; Ca. Calcarine fissure ; d. Intraparietal fissure; 

 R. Fissure of Rolando ; <S. Sj-lvian fissure. 



It will be observed, therefore, that in every feature in which the 

 smaller brain of the female Cynopithecus difiers from the Macacine 

 and agrees with the Semnopithecine brain, a conti'adiction is 

 shown in the larger brain of the male Cynopithecus. This latter 

 brain, in short, is most emphatically a Baboon's brain ; it belongs 

 to the Macacine type. 



The only certain conclusion to be drawn from these facts is 

 that the brain of Cynopithecus may show all the typical Macacine 

 characters. Though this is a conclusion which might be expected 

 in view of the other zoological characters of the Celebesian 



