42 ON THE AFFINITIES AND DIFFERENCES BETWEEN THE 



Fig. 36. — Brain of Bushwoman, known as the 'Hottentot Venus.' Like the pre- 

 ceding, a lateral view, after Gratiolet. 1, supra-ciliary convolution ; 2, middle frontal 

 stage; 3, superior frontal stage; 4, first ascending convolution ; 5, second ascending ; 

 5', lobule of second ascending; 6', curved convolution; 7, superior temporal; 8, middle 

 temporal; 9, inferior temporal; 10, II, 12, occipital convolutions; A, lobule of mar- 

 ginal convolution ; (a) superior or first bridging convolution ; (#) inferior or second 

 bridging convolution. 



Fig. 6. — Left Cerebral Hemisphere of Vervet Monkey, Cercopithecus lalandii. 

 I, Supraciliary convolution; 2, middle frontal stage; 3, superior frontal stage ; 4, first 

 ascending convolution ; 5, second ascending convolution ; 6, curved convolution; 7, su- 

 perior temporal; 8, middle temporal; 9, inferior temporal; 10, 11,13, occipital lobe; 

 E. F. external perpendicular fissure; F. S. Fissure of Sylvius; F. R. Fissure of 

 Rolando. (After Gratiolet.) 



