Robert Bennett Bean 387 
Caucasian. The relative difference is noticed throughout. ‘The anterior 
end is relatively larger in the Caucasian, the posterior end is relatively 
Cuarr VI.—Relation of the anterior lineal half of the corpus callosum 
(ordinates) to the posterior lineal half (abscisse). The races are separated. 
larger in the Negro. This may be expressed in averages in a table made 
up from Table VI. 
