86 



BRAINS OF RATS AND MEN 



end of the hippocampal cortex of the opossum which 

 is almost identical with the reptilian cortex, illus- 



FiG. 1 5. — Illustrations of typical neurons of the archipallial cortex, 

 y/, from the hippocampal cortex of the chameleon; 5, from the pyriform 

 lobe of the cat; C, from the pyriform lobe of man. B and C are taken from 

 an area similar to that illustrated in Fig. 13, layer II. The dendrites di- 

 rected upward spread in the outer plexiform layer of the cortex (layer I 

 of Fig. 13). The axons {a) directed downward enter the white matter. 

 Redrawn from Ramon y Cajal. 



trated in Figure ii. The anterior end of the pyriform 

 cortex is very similar. Toward the posterior end of 



