132 Journal of Comparative Neurology. 



It will be recalled that Fubini claimed that his results ob- 

 tained in the frog, i. e., the smaller proportional development 

 of the brain in the female, corresponded with the relation of 

 brain- to body-weight as found in man. 



We have just demonstrated that Fubini was wrong in his 

 first conclusions and that in all probability the female frog has 

 a greater rather than a less proportion of brain when compared 

 with the male of the same body-weight. As to the relation 

 existing in man, Fubini is again in error, for Marshall has 

 shown that in the case of man, the female, despite the abso- 

 lutely smaller size of her brain, has proportionately to her body- 

 weight a greater mass of brain than the male. 



1 Marshall. Journ. of Anat. and Physiol., Vol. XXVI (N. S„ Vol. VI), 

 1892. 



Neurological Laboratory, University of Chicago, 



