INDEX. 



643 



Filtering action of glands, 191. 



Filtration, elective, 196. 



Final agony, 562. 



Finite nature of knowledge, 289. 



Fire-place, exhausting nature of, 181. 



First breath, 485. 



First pair of nerves, 425. 



Fishes, digestion of, 60 ; circulation in, 135 ; 

 respiration of, 150, 157. 



Flame and plant, analogy between, 470. 



Floral groups, 568. 



Flour, 33. 



Foetus, circulation in, 531. See Embryo. 



Follicles, gastric, 49, 50 ; varieties of, 51. 



FOOD, 16, 26 ; sources of, 27 ; classification 

 of, 27 ; value of, 28 ; different kinds of, 27, 

 28; of carnivora, 36 ; of herbivora, 36, 37 ; 

 nitrogen, 27, 35 ; movements of, 53 ; ad- 

 justs temperature, 179 ; demand for, 179 ; 

 allowance of, 11 ; digestibility of, 36, 66 ; 

 formed by plants and destroyed by animals, 

 37 ; minimum quantity of, 38. 



Foramen magnum, 580. 



Force of endosmosis, 107. 



Forge tfulness of dreams, 557. 



Formic acid, 240. 



Fourcroy on perspiration, 240. 



Fourth pair of nerves, 334. 



Fowl, digestive tract of, 58. 



Franklin on heat, 380. 



Frerichs on food, 35 ; on saliva, 44. 



Frog, lungs of, 159 ; development of, 509. 



Front view of skull, 585. 



Future state, 551. 



G. 



GALILEO, 455. 



Gall on brain, 259. 



Gall-bladder, 199. 



Galvani, experiments of, 443. 



GANGLIA, structure of, 263 ; spontaneous func- 

 tion, 289 ; of sympathetic, 140, 264 ; of 

 special sense, 315 ; cephalic, 607. 



Gases of intestine, 82. 



GASTRIC changes are subdivisions and assim- 

 ilation of water, 62. 



Gastric juice, 49, 50 ; quantity of, 52 ; acid 

 of, 52, 54 ; relation of nervous influence to, 

 54. 



Gelatine, 64, 65. 



Gemmation, 534. 



GENERATION, 515, 516 ; spermatozoa in, 517, 

 518. 



Geographical distribution, 567. 



Geography of plants, 472. 



Geological changes, 480. 



Geometrical modes of development, 457. 



Germ-cell, 519. 



Germinal membrane, 525 ; its layers, 527 ; 

 vesicle and spot, 521. 



Germination, 458; heat of, 176. 



Gestation, 533. 



Gibraltar, Straits of, 620. 



Gills, 135, 150, 157. 



GLAND, 189 ; type of, 189, 197 ; vicarious ac- 

 tion of, 190 ; filtering action of, 190 ; par- 



otid, 43 ; salivary, 43 ; submaxillary, 43 ; 



sublingual, 43 ; mesenteric, 89 ; ductless, 



211 ; mammary, 225. 

 Glandular blood, change in, 190. 

 Globulin, 118. 



Glosso-pharyngeal nerve, 338. 

 Glucose, 73. 

 Gluten, 33. 

 Glycerine, 245. 

 Goodsir on lymphatics, 97. 

 Graafian follicle, 521. 

 Gradual death, 561. 

 Grafting, 469, 535. 

 Graham on diffusion, 152, 154. 

 Greeks, 613 ; schools of, 617. 

 Growth, 511, 538, 540 ; conditions of, 465. 

 Guinea, negro of, 579. 

 Gum, digestion of, 71. 

 Gundelach on fat, 248. 



H. 



HABITS OF NATIONS, 566, 569 ; of insects, 

 605. 



Hsematin, 118 ; analysis of, 119. 



Hsematococcus binalis, 494. 



Hair, 236. 



Hall, discoveries of, 259. 



Hallucination, 402. 



Harvey on circulation, 130. 



HEARING, sense of, 359 ; structure of organ 

 of, 360 ; use of tympanum in, 364 ; audi- 

 tory nerve of, 368. 



HEART, 135 ; fibres of, 137 ; valves of, 138 ; 

 development of, 135 ; of dugong, 136 ; ac- 

 tion of nerves on, 140 ; statement of action 

 of, 147 ; number of beats of, 130. 



HEAT, 17, 18, 19, 20; check upon, 21, 22, 184 ; 

 equilibrium of, 22 ; animal, 175, 177; car- 

 bonic acid, relation to, 19, 20, 176 ; varia- 

 tions, 178; diurnal, 178 ; extreme, endura- 

 ble, 178; annual, 179; source of, 182; of 

 light rays, 389 ; removed from muscle, 447 ; 

 quantity for plants, 477 ; intensity and 

 quantity of, 477 ; decline of, 488 ; relations 

 of, 572 ; effect of, on skull, 590. 



Heaths, absence of, from America, 474. 



Height of man, 541. 



Helmholtz on nerve, 266 ; on muscle, 445. 



Hepatic artery, 200 ; cells, duct, vein, 200, 

 206. 



Herbivora, 36. 



Herculaneum, 465. 



Hereditary transmission, 590. 



Hermaphroditism, 574. 



Hibbert on apparitions, 408. 



Hippocratic face, 561. 



Histogenetic digestion, 40, 63. 



HISTORY a branch of Physiology, 604 ; Euro- 

 pean, 610 ; universal, 611 ; prognostics in, 

 612 ; comparative, 612. 



Homogenesis and heterogenesis, 511. 



Hot-blooded animals, 176. 



Hottentots, 577. 



Hubbenet, table by, 49. 



Huber, 556. 



Human groups, 568. 



