

OF THE ORANG UTANG. 23 



14. Posterior edge of corpus callosum. 



15. Fornix. 



16. Internal occipital fissure, 



17. ' Scissure des hippocampes.' 



18. Third cornu of lateral ventricle. 



19. Hippocampus minor. 



A. Anterior lobes. 



B. Middle temporo-sphenoidal lobe, 



C. Cerebellum. 



D. Occipital lobes. 



E. Medulla oblongata. 



F. Fissure of Sylvius. 



G. Pons. 



a. Convolution connecting the superior occipital convolution (10) to the lobule of the 

 second ascending parietal 5'. 



