454 



INDEX TO UNZER'S 



Generation, definition of, 628 ; fissipa- 



rous, oviparous, and viviparous, 629 

 Glands, the, their nature and function, 172 

 Gratification, nature of, 80, 187, 195 ; 



its actions, when very vivid, allied to 



pain, 199 

 Grief, a distressing passion, 313 ; what 



favour, 317 



Habit, distinct from expertness, 137 



Haller, the dead force of, 3 ; probably 

 the Gottingen reviewer of Unzer's 

 work, 35 note-, his objection to the 

 hypothesis of afferent and efferent 

 fibrils in the same nerve, 127 note', 

 seems to think, the voluntary move- 

 ments alone produced by the soul, 

 162 note\ has shown that respiration 

 is a sentient action, 285 ; his terms of 

 muscular and nervous irfltability, 354 ; 

 his doctrine of vis insita refuted, 379, 

 388 



Hamilton, Sir W., his abstract of the 

 doctrines of Albinus, 39 note. 



Heart, the, its action animal, 167; Hal- 

 ler's theory of its motion confuted, 

 386 ; the effect of sensations on, 211, 

 250 ; its action in grief and fear, 314 ; 

 its action in anger and revenge, anxiety 

 and terror, 323; its stroke probably an 

 indirect nerve-action, 517 ; a centre of 

 animal forces, 673 ; its proper motor 

 force, 678 



Hunger, the sensational instinct of, how 

 excited, 265 ; stimulates the machines 

 which receive food to discharge their 

 functions, 281 



Incitements of the feelings, see Feelings. 



Ideas, material, the nature of, 25 ; neces- 

 sary to thought, ib. ; their relations to 

 thought, 26 ; in what probably consist, 

 28 ; higher, abstract, or general, 66 ; 

 of imaginations, 67 ; of anticipations, 

 94 ; act either directly or indirectly, 

 115; their actions on the nervous 

 system, 117, 122, 142-151 ; their ac- 

 tions in the brain, 118, 159; the pri- 

 mary excite those of a second kind, 

 119; their action in the mechanical 

 machines, 160-180 



Idiosyncrasy, 52 



Imaginations, nature of the sensational, 

 66; their relation to external sensa- 

 tions, 68, 230-233 ; relations to in- 

 sanity, 69, 70; their action on the 

 mechanical machines, 228-238 



Impression, a sense-like, defined, 31, and 

 note 



Impressional, sinnlich, 31, 66 



Impressibility, SinnlicMeit, 32 



Impressions, cerebral, 121, 133 



Impressions, conceptional, 121 note; 

 359 ; characters of, 31 ; their course ■ 

 along the nerves, ib. ; respondence 1 

 to, a property of nerves, or " nerve- i 

 feeling," 31 note; of pleasure and 

 pain, the bases of the desires, 82 



Impressions, external, — why so termed; 

 32 ; a definite change in the nerve, 

 ib. ; how developed, 32-36 ; to be felt, 

 must be propagated upwards to the 

 brain, 36, 37 ; all determined by the 

 mind, 38 ; conditions requisite to their 

 developing external sensations, 45; 

 the cause of all conceptions, 65, 66 ; 

 their course in animals, with a sen- 

 tient brain, 366 ; by their reflexion, 

 sentient acts may be performed without 

 brain, 367 ; their vis nervosa in general, 

 409, 443 ; every muscle, like the nerves, 

 has its own special, 451 ; their action 

 on the muscles and heart, 452-517 



Impressions, internal, — their nature, 121 ; 

 propagated, without being commingled, 

 125 ; non-conceptional can produce the 

 same movements as the conceptive 

 force, 360 ; the reflexion of external 

 into, 366, 399; how non-concep- 

 tional originate; 371; their relation 

 to external and internal sensations, 

 402 ; course of the non-conceptional, 

 486, 487 ; when the brain and cere- 

 bral forces necessary to the nerve- 

 actions of the non-conceptional, 494 ; 

 non-conceptional subject to the same 

 law of deflection as those from con- 

 ceptions, 504 ; reflex action of, on the 

 heart, 515; action of non-conceptional 

 on the capillaries, diaphragm, viscera, 

 &c., 522-537; each of the two kinds 

 may reciprocally excite the other, 398 ; 

 excite whole series of acts, ib. 



Inflammation, theory of, 207, 462 



Insanity, the rules apphcable to, 67-69, 

 70, 236 ; sensational foreseeings and 

 forebodings often produced in, 75, 247 



Insentient animal, an, its nature, 604; 

 how moved, 606; all their animal 

 movements dependent on the vis ner- 

 vosa, 608 ; excite all sentient move- 

 ments by the vis nervosa alone, 611 



Instincts,sensational, their different kinds, 

 90 ; their actions in the economy, 93 ; 

 how developed, 94 ; how cease, or are 

 prevented, 95 ; doctrines applicable to, 

 256-259; arrangement of, 262; in 

 what differ from all other desires, 

 aversions, and passions, 263-265 ; 

 depend on no innate wisdom, 266; 

 the order of their phenomena, 268; 

 their stimuli, 270 : general and special, 

 natural aindunnatural,29b ; the felt im- 

 pression in, reflected by the brain, 564. 



