FUNCTIONS OF THE BRAIN. 



51 



Smdl. 



Everything conspires to point to the median descending 

 part of the temporal lobes as being the organs of smell. 

 Even Farrier and Munk agree on the hippocampal gyrus, 



Fig. 18. 



though Ferrier restricts olfaction, as Munk does not, to the 

 lobule or uncinate process of the convolution, reserving the 

 rest of it for touch. Anatomy and pathology also point to 

 the hippocampal gyrus ; but as the matter is less interest- 

 ing from the point of view of human psychology than were 

 sight and hearing, I will say no more, but simply add 

 Luciani and Seppili's diagram of the dog's smell-centre.* Of 



*For details, see Ferrier's 'Functions,' chap, ix. pt. iii, and Chas. 

 K. Mills : Transactions of Congress of American Physicians and Sur- 

 geons, 1888, vol. I. p. 278. 



