1886.] Psychology. 477 
rein lobes and the gyrus fornicatus, with which its fibers 
his convolution is greatly developed in Mammalia 
with strong olfactory powers, forming ‘with the external olfactory 
convolution the very extensive convexity of the cornu ammonis ; 
thirdly, the direct connection which exists between diseases of 
the region about and within the sylvian fissure, especially the 
claustrum, and disorders of the faculty of spe cech. The experi- 
ments of Hitzig, Nothnagel, Ferrier and Munk receive due 
attention, and their curious results are given in detail. 
f Meynert s definition of the ego is interesting as proceeding 
from the physiological standpoint. He sa 6): “ The sum 
of these [innervation] centers constitutes the ‘ individuality,’ the 
‘ego’ of abstract psychologists. I attach some importance to 
sh G. 3.—Tr. ransparent longitudinal section soc a brain of a monkey. 
otal en end 5. 0¢c, occipital end rtex cerebri medullary substance of the 
br, brachium corporis edre iaei : rA ance “lentiformis (by mistake of the en- 
d 
olii ia . P K g pedunca 
cerebelli . ore kalba’ O, inferior nas Chi, SPIRA e Pr, roan 
corpus restiforme; ÆJ, funiculus posteri 
rn err iciuality ’ because it is founded upon the anatomi- 
“Whi Seeria of the cortex, and the simple physiological process 
Big sa enters into our present discussion. Individuality implies 
are m of firmest associations which under ordinary circumstances 
well nigh inseparable ; the aggregate of ‘memories’ forming 
a phalanx, the relation of which to conscious movements 
— Tia ently with mathematical precision. This un- 
VOL, Xx.—x; 
32 
= 
