ON THE NERVOUS SYSTEM. 



461 



Corpus callosum, seat of the understand- 

 ing, 375 ; the centre of sensation and 

 motion according to Lancisi, &c., 

 377,429 



Cremadells, his theory of animal heat, 

 423 



Cutis anserina explained, 416 



CRAWFOKD,his theory of animalheat, 423 



De Haen on animal heat, 421 

 Des Cartes, his opinion on the animal 

 spirits, 370 ; placed the sensorium 

 commune in the pineal gland, 429 

 Diemerbroeck, 373 



Erasistratus, his opinion as to the 



functions of the brain, 366 

 Erectile tissue, influence of nerves on, 416 



Fallopius, denies the systole and dias- 

 tole of the brain, 369 



False resemblances of truths, injurious 

 influence of, on science, 364 



Fernelius, a follower of Plato, 366 ; 

 his doctrine as to the origin of the 

 sensory and motor nerves, 369 



FiORATi, his edition of Tissot on the 

 Nerves, 379 



Foetus, the, formed by generation, not 

 evolution, 426 ; acephalous, in utero 

 lives by vis nervosa, 387, 399 



FoNTANA, his experiments on opium, 397 



Fornix, the, its use, according to Galen, 

 368 



Functions, the animal, distributed 

 amongst the ventricles of the brain by 

 the Arabs, 369; enumeration of, 

 439-441 



Galen recognised three faculties of the 

 mind and three spirits, 365, 366 ; 

 refutes Aristotle's doctrine on the 

 brain, 366 ; his opinion as to the use 

 of the cerebrum, cerebellum, &c., 367- 

 369 ; doctrines held by his followers, 

 369 ; the use assigned by him to the 

 ventricles shown to be erroneous, 

 372, 373 



GangUa, known to Galen and others, 

 378; functions of, first taught by 

 ViEussENs, &c., ib. ; opinions as to 

 their probable use, 378, 436 ; con- 

 sidered to be little cerebra, 378 ; con- 

 sensus of the nerves takes place in, 

 435 ; act as ligatures on the nerves, 

 436 ; are special sensoria for reflexion 

 of impressions, 438 



Gasser quoted, 377 



Gaubius, his account of the effects of 

 anger on the secretions, 420 



Habit, its influence on the vis nervosa, 405 



Haller, his opinion as to the infundi- 

 bulum, 373, and pituitary gland, 374 ; 

 his error as to irritability in muscle, 

 390 ; supports the doctrine of animal 

 spirits, 379 ; the inconsistency of his 

 doctrines on the motion of the heart, 

 401 ; his opinion on animal heat, 421; 

 denied the nutritive property of the 

 nervous fluid, 424 



Harvey, nature of opposition to his 

 views, 371 



Heart, the seat of the soul, according to 

 Aristotle, 365 ; movements depend- 

 ent on the vis nervosa, 399 ; the doc- 

 trine of its irritability controverted, 

 407 ; reflexion of impressions on the, 

 438 



Heat, animal, its production, 421-3 



Herophilus, his doctrine as to the 

 functions of the brain, 366 



Hippocrates, his opinion as to the 

 functions of the brain, 365 



Haase on the ganglia, 378 



Hoffman opposes the doctrine as to the 

 use of the ventricles in preparing the 

 animal spirits, 370 



Humours, cause of a more copious de- 

 rivation to any one part, 408 



Ideas, their nature, 440 



Idiosyncrasy, its nature, and various ex- 

 amples of, 402-5; dependent on a 

 change in the vis nervosa, 402 ; of 

 pregnant women, 404 ; a cause of Pica, 

 404-5 ; influence of habit on, 405 



Impressions, mode of their transmission 

 along nerves, 406 ; reflexion of senso- 

 rial into motor, in the sensorium com- 

 mune, 430; reflexion of, in the 

 gangha, 438 



Inflammation, its nature explained, 417 



Infundibulum, its use according to 

 Lower, Willis, &c., 373 ; found hol- 

 low by Murray, ib. 



Insects perform their functions by nerves 

 only, 387 



Intellect, probably each division of, has 

 its organ in the brain, 447 



Intercostal nerve, how far impressions 

 from the brain and spinal cord reach 

 the, 436 



Iris, the, how dilated, 416 



Irritability of muscles dependent on their 

 nerves, 401 



Klinkosch, case by him, 394 

 KoLPiN, his theory of congestion, 416 



La Roche, theory of animal heat, 422 



