364 MORPHOLOGY OF THE CEREBRAL CONVOLUTIONS. 



Plate XXXVI. 



Figs. 1 and 2. Human foetal brain at eight and a half months (from Bischoff). 

 Figs. 3 and 4. Human foetal brain at not quite nine months (from Bischoff). 

 Fig. 5. Brain of Negro, showing especially structure of occipital lobe. 

 Fig. 6. Brain of Mulatto, showing especially structure of occipital lobe. 

 Fig. 7. Brain of Chimpanzee, left lateral surface. 

 Fig. 8. Brain of Chimpanzee, right mesial surface. 



Plate XXXVII. 



Figs. 1, 2, 3, 4, 19, 20. Brain of Macacus cynomolgus. 



Figs. 5, 6, 7, 8, 9, 10, 11, 12, 13, 14. Brain of Macacus nemestrinus. 



Figs. 15, 16, 17, 18. Brain of Ateles ater. 



Plate XXXVIII. 



Figs. 1, 2. Brain of Macacus nemestrinus. 

 Figs. 3, 4, 5. Brain of Cynocephalus porcarius. 

 Figs. 6, 7, 8, 9. Brain of Chrysothrix sciureus. 

 Figs. 10, 11. Brain of Cercopithecus callitrichus. 

 Fig. 12. Brain of Cebus apella 

 Figs. 13, 14, 15, 16. Brain of Chimpanzee. 



Plate XXXIX. 



Figs. 1, 2. Brain of Negro (1 showing lobulus centralis). 

 Figs. 3, 4. Brain of Chimpanzee. 



Figs. 1, 2. Brain of Negro. 



Plate XL. 



Plate XLI. 



Figs. 1, 2. Brain of Negro. 



Figs. 3, 4, 5, 6. Brain of Chinaman (from Mills and Parker). 



Plate XLII. 

 Figs. 1, 2. Brain of Negro. 



Plate XLIII. 



Figs. 1, 2, 3, 4. Brain of White Man (murderer, from Mills). 

 Figs. 5, 6. Diagram of ideal arrangement of fissures. 

 Figs. 7, 8. Arrangement of fissures in Man. 

 Figs. 9, 10. Arrangement of fissures in Chimpanzee. 



Plate XLIV. 



Figs. 1, 2. Brain of Mulatto. Morphologically related areas are colored alike. 



Figs. 3, 4. Arrangement of fissures in human foetus close to nine months. Colors as in fig- 



ures 1 and 2. 



