INDEX. 



Action, intellectual, basis of, 183. 

 Agouti, brain of, 257. 

 Agraphia, instances of, 659-664. 



,, nature of, 657. 



,, seat of lesion in, 686. 



,, life activity of, 8. 

 Amnesia, incoordinate, 634. 



„ illustrations of, 619-647. 



„ mode of investigation of, 682. 



„ seat of lesion in, 1 82, 685. 



„ varieties of, 620. 



„ verbale, nature of, 619. 

 Amphibia, brain of, 119. 

 Anatomists, early, on brain, 513. 

 Ancients, vievrs of, concerning brain, 



511. 

 Animal units, 7. 



Anterior Commissure, 128, 133, 271, 454 

 Apes, intelligence of, 321-331. 



,, man like, brains of, 295-306. 

 Aphasia, 647. 



„ instances of, 649-657. 



„ seat of lesion in, 675, 684, 686. 



,. varieties of, 687. 

 Aphemia, instances of, 665-672. 



„ nature of, 664. 



„ se«-t of lesion in, 686. 

 Appetites, 222. 

 Area of consciousness, 501. 

 Arrest of development of Cerebral Hemi- 

 sphere, 393. 

 Arthi'opods, nervous system of, 101. 

 Ascending frontal Convolution, 447. 

 Association, doctrine of, 175. 



,, system of fibres, 452. 



Asymmetry of Hemispheres, 400. 

 Atiophy of one cerebral Hemisphere, 493. 

 „ unilateral, of Cerebellum, 507. 



Auditory nerve, relations of, 470, 506. 



,, saccules, 85. 



„ word-centres, diminished ex 

 citability of, 621, 627. 

 Automatic movements, deferred, 561. 



Baboon, brain of, 294. 

 Base of brain, 471. 

 Bat, brain of, 265. 

 Beavers, intelligence of, 311. 

 Beetle, brain of, 103. 

 13end of the stream, .586. 

 Bilateral movements, 496. 

 Birds, brain of, 134. 



„ cerebellum of, 131. 

 „ cerebral lobes of, 132. 

 „ instincts of, 246. 

 „ medulla of, 130. 

 „ mental pov^^ers of, 246, 252. 

 „ optic lobes of, 131, 

 „ third ventricle of, 128. 

 Blov5^-fly, brain of, 104. * 



Boa-Constrictor, brain of, 126.,- 

 Brachiopods, nervous system of, 72. 

 Brain, base of, 471. 



,, comparative weight of, in birds 



and mammals, V52. 

 „ fissures of, 380, 386. 

 „ heaviest human, 368. 

 „ human, convolutions of, 381-410t 

 ,, hiiman, structure of, 428-476. 

 ,, origin of, 64. 

 Brain of Agouti, 257. 

 ,, Amphibia, 119. 

 „ Baboon, 294. 

 „ Bat, 265. 

 „ Beetle, 103. 

 „ Birds, 134. 

 „ Blow-fly, 104. 

 „ Boa-Constrictor, 12(J. 



