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Fig. 50 Horizontal section through the temporal pole and thalamus. Same 
series as figure 49. This section shows the fiber bundle of the diagonal band 
where it crosses the basal surface of the crus and medial forebrain bundle. 
Fig. 51 Parasagittal section close to the right lateral surface. Weigert stain. 
The cell masses of the pyriform lobe and pallial thickening are outlined in broken 
lines; also the line of division between the striatum and the amygdaloid complex. 
The figure shows especially the fibers of the internal capsule entering the pallial 
thickening. ; 
Fig. 52 Section from the same series as the last. Near the median plane. 
The section shows the hippocampal commissure rising in the hippocampal pri- 
mordium to join the fimbria system. There are shown also the relations of the 
sensory bundle of the crus, the olfactory projection tract and the medial forebrain 
bundle. 
462 
