432 



THE INTERNAL STRUCTURE 



editors, MM. Duval and Keller.* This treatise will' well 

 repay careful study by those who will not he repelled by its 

 technicalities, and are capable of understanding them. It 

 seems more than doubtful, however, whether Meynert is 

 right in his general point of view as to the separate 

 representation of sensory and motor channels for Auto- 

 matic and Voluntary Movements respectively. Luys, in 

 addition to the opportunity afforded by his larger 

 systematic work,f has again stated his views in one of 



Fig. 153,— Longitudinal Vertical Section through the Left Hemisphere, showing 

 the Lateral Ventricle and its three Cornua. (Sappey, after Hirschfeld.) 1, 2, intra 

 and extra ventricular portions of the Corpus Striatum separated by (3) a stratum of 

 ■white fibres; 4, junction of the body of the Ventricle with its 'anterior cornu ' ; 

 5, 'posterior cornu'; G, Hippocampus minor; 7, descending or 'middle cornu'; 

 8, Hippocampus major covered by (9) the choroid plexus ; 10, section of the corpus 

 callosum ; 11, anterior commissure; 15, fissure of Sylvius. 



the volumes of this series. J If little reference be made to 

 his opinions in this chapter it is j)artly for these reasons 

 and partly because the investigations of Broadbent, so far 

 as they have gone, have been more especially directed to 

 some of the points which can be here most advantageously 



* Anatomie des Centres Nerveux, par Hugnenin, Paris, 1879. 

 t Sur le Systeme Nervcux Cerebro-Spiual, 1865. 

 X Le Cerveau et ses fonctions, 1876. 



