76 W. BLAXLAND BENHAM. 



11. List of the more Important Memoirs dealing with 

 THE Brain of the Chimpanzee. 



1. GiiATiOLET. — ' Memoire sur les Plis cerebraux de Thomme et des Pri- 



mates.' 



2. Marshall, J. — " On the Brain of a Young Chimpanzee," ' Nat. Hist. 



Review' (new ser.), i, 1861, p. 276. 



3. BlscHOFF, T. W. — " Die Grosshirnwindungeu des Menschen," * Abh. d. 



k. Bayer. Akad. d. Wiss. Math. Phys. Classe,' x, 1866. 



4. Turner, W. — " Notes more especially on the Bridging Convolutions in 



the Brain of the Chimpanzee," * Proc. Roy. Soc. Edin.,' v, 1866. 



5. BiscuoFF. — "Ueber das Gehirn eines Chimpanse," ' Stzber. d. Wiss. 



Math. Phys. Classe d. k. Akad. Bayerish.,' 1871, Miincheu. 



6. Broca. — " L'litude sur le cerveau du gorille," ' Rev. d'Anthrop.,' 1878. 



7. Chapman. — "On the Structure of the Chimpanzee," 'Proc. Acad. Nat. 



Sci. Philadelphia,' 1879, p. 52. (Gives literature.) 



8. Parker.—" On the Brain of a Chimpanzee," ' Medical Record,' 1880. 



9. MtJLLER. — " Zur Anatomie des Chimpanse Gehirns," 'Arch. f. Anthro- 



pologic,' xvii, 1888, p. 173. 



10. Symington. — " On the Viscera of a Female Chimpanzee," ' Proc. Roy. 



Phys. Soc. Edin.,' x, 1890, p. 297. 



11. Beddard. — " Contributions to the Anatomy of the Anthropoid Apes," 



♦ Trans. Zool. Soc.,' xiii, 1893. 



12. Cunningham. — " Contribution to the Surface Anatomy of the Cerebral 



Hemispheres," 'Cunningham Memoirs,' vii, Roy. Irish Acad., 1892. 



12. The Brain of the Orang-outang. 



The arrangement of the frontal convolutions in this ape is 

 so varied, and the fissures have in many specimens such pecu- 

 liar relations, that Dr. Cunningham, in the few remarks he 

 makes on the subject (loc. cit., p. 295), confesses his un- 

 certainty as to the accuracy of the identification which he 

 places upon these fissures. 



As the Oxford Museum possesses two brains of the orang, 

 and as these diff"er from one another, as well as from 

 that described by Cunningham, it has seemed to me worth 

 while to place on record the plan of these convolutions, and to 

 endeavour in the light of these new variations to arrive at a 

 more accurate determination of these fissures. Even if I am 



