if 



-I m 



Fig. 30. HORIZONTAL SECTION OF CEREBRUM. CORPUS CALLOSUM AND LAT- 

 ERAL VENTRICLES. 



a, Corpus callosum, showing the longitudinal and transverse striations. 



b, Caudate nucleus and anterior horn of the lateral ventricle. 



c, Tsenia semicircularis ; groove between the caudate nucleus and the optic 

 thalamus. 



d, Optic thalamus. 



e, Choroid plexus disappearing into the middle horn (g) of the lateral ventricle. 



f, Posterior horn. 



h, Hippocampus minor. 



