LECTUEE VIII. 



213 



so slight^ that they might in so delicate an organ be ascribed 

 more or less to a difference in observation. Now compare with 

 these the brains of the Hottentot Venus and the German as 

 given before. We may leave the inference to common sense. 

 Fig. 82. Brain of Macacus Silenus, side view. 



Fig. 83. Brain of Cercopithecus cethiops, side view. 



^-^ 



The description of the figs. 80-83 is the same as in the preceding braia figures. 



It is unnecessary to say more on this subject. Any person 

 may select any two well characterised races of mankind, and 

 having by comparison formed a scheme, let him proceed in the 

 same way in the comparison of two well marked species of 

 apes. The unprejudiced observer cannot fail to find, as we 

 have done, that the sum of the differences between two species 

 of apes, is in no case greater, and in many cases much less 



