644 



INDEX. 



Humboldt on respiration, 158 ; on plants, 471. 



Humors of the eye, 386. 



Hunter on reflexa, 596. 



Hutchison on respiration, 166. 



Hybernating animals, 172, 183. 



Hydra, 5 1,52, 432, 501, 534. 



Hydraulic action of auricle, 146. 



Hydrochloric acid, 52, 62. 



Hydrogen, use of, 17, 19. 



Hypoglossal nerve, 343. 



I. 



IDEAL type of man, 565. 



Idiot, composition of brain of, 273. 



Illusions, 402. 



Imago, 5.11. 



Immortality of the soul, 415. 



Impersonal operations,. 287. 



Impressions, vestiges of, 288. 



Improvability of man, 15. 



Inanition, experiments on, 178, 243. 



Inca Indians, 487. 



Incombustible men, 634. 



Independence and immortality of the soul, 

 285. 



Independent action of each half of the brain, 

 328. 



Index of prohibited books, 624. 



Indians, 575 ; extinction of, 600. 



India-rubber, diffusion through, 152. 



Individuality, nature of, 468. 



Indo-Europeans, 573. 



Infancy of man, 538. . 



Inflorescence, heat of, 176. 



Influence of agents on man, 563, 567, 571 ; 

 of parent on child, 534. 



Influential arc, 282. 



Infusorials, heat of, 177. 



Inosite, 447. 



Inquisition, establishment of, 624. 



Insalivation, 40. 



Insanity of retina, 406. 



INSECT, digestive tract of, 58 ; cephalic gan- 

 glia, 271 ; nervous system, 271 ; respira- 

 tion of, 157; development of, 510; struc- 

 ture and habit of, 603, 605 ; memory and 

 metamorphoses of, 608. 



Instantaneousness of dreams, 556. 



Instinct distinguished from reason, 603. 



Insubordination of one hemisphere, 329. 



Intellect, maximum of, 591 ; centre of, 635. 



Intensity, adjustment for variations of, in 

 eye, 388. 



Intensity of heat, 477, 572. 



Interference, mechanism of, in ear, 372 ; of 

 nervous impressions, 269. 



Interstitial death, 244 ; movements, 151. 



INTESTINE, length of, 42 ; salts and gases of, 

 82 ; digestion in, 63, 68, 81 ; contents, 

 changes of, 83 ; section of wall of, 85 ; per- 

 istaltic movements of, 68 ; passage of food 

 through, 67, 81 : glands and secretion of, 

 69, 70; 



Inverse problems, 284, 482. 



INVERSE VISION, 401 ; use of, 416. 



Iris, 385. 



Iron acted on by gastric juice, 50 ; source of, 



in blood-cells, 118. 

 Irrespirable gas, action of, 133, 169. 

 Isaacs on kidney, 217. 



J. 



JACKSON on the ear, 373. 



Jacob's membrane, 390. 



Jeffreys on respiration, 165. 



Jesuits, 624. 



Jones, Bence, on urine, 221. 



Jones, Handfield, on hepatic cells, 206. 



Jones, W., on blood-cells, 117. 



K. 



KAFFIRS, 577. 



Kamtschatdale, 575. 



Kangaroo, 59. 



Kidney, 213 ; structure of, 214 ; tubuli uri- 

 niferi of, 215 ; circulation in, 215 ; devel- 

 opment of, 214 ; vicarious action, 186. 



Kiestine, 231. 



Kolliker on skin, 420 ; on retina, 391 ; spleen, 

 211. 



Koumiss, 80. 



Krause on sebaceous secretion, 240. 



Kreatine, 447. 



Kune on bile, 203. 



L. 



LABYRINTH, 361. 



Lachrymal gland, 400. 



Lacteals, 84, 86, 87, 91, 111 ; function of, 85 ; 

 and lymphatics, connection of, with respi- 

 ration, 100. 



Lactic acid, 47, 52, 73, 74, 75. 



Lacunas of bone, 253. 



Lamina spiralis, 359. 



Landerer on perspiration, 240. 



Languages, 357. 



Laplander, 568. 



Larva, 510. 



Larynx, 353 ; double, of birds, 352 ; artificial, 

 355. 



Lateral inversion, 397. 



Lateral view of skull, 581. 



Law, civil, 628. 



Lawrence on the leg, 580. 



Laycock on cephalic ganglia, 607. 



Leg, 580. 



Legumin, 33. 



Lehmann on absorbed nitrogen, 39 ; pep- 

 tones, 62 ; gastric solution, 66 ; gum, 72 ; 

 urine, 75 ; quantity of blood, 113 ; blood 

 crystals, 120; bile, 203 ; kiestine, 231. 



Leidy on liver, 198. 



Length of infant, 540 ; of sleep, 553. 



L'Heritier on chyle, 96. 



Lieberkuhn, follicles of, 69. 



Liebig on lactic acid, 75; on fibrin, 98; on 

 blood gases, 125. 



Life, conditions of, 9, 12. 



Light, nature of, 399 ; influence of, 459. 



Lime, phosphate of, 35. 



