930 



INDEX. 



Intestinal reaction, 421 

 Intestines, characteristics of, 217 



fermentation in, 418 



large, digestion in, 423 



movements of, 448. 



muscular structure of, 448 

 Inulin, 116 



Inversive ferment, 112, 418 

 Invert-sugar, 119, 418 

 Iris, 849 



muscular fibres of, 862 

 Iron, 136 

 Irradiation, 871 

 Irritability, muscular, 709 



of muscle, influence of temperature on, 

 719 



of nerves, 776 



Jacobson's organ, 843 

 Jaws, movements of, 241 

 Joints, formation of, 729 



gliding, 730 



hinged, 730 



rotatory, 730 

 Jumping, mechanism of, in man, 738 



Karyokinesis, 17 



Kathelectrotonus, 780 



Keratin, 109 



Kicking, 753 



Kidney, structure of, 640 



Kidneys and skin, correlation of, 645 



Kreatin, formation of, 661 



Labyrinth of the ear, 880 



Lachrymal apparatus of mammalSj 850 



duct, 850 



secretion, 658 

 Lacjteals, 457 



Lactic acid fermentation, 147 

 Lactose, 120 

 Laevnlose, 118 

 Lardacein, 102 

 Large intestine, digestion in, 423 



structure of, 430 

 Larvae, digestive apparatus of, 206 

 Laryngeal muscles, action of, 762 

 Larynx, nerves of, 764 



of birds, 760 

 Latent period in muscular contraction, 713 

 Laughing, 605 

 Lecithin, 481 

 Legumin, 94 

 Leguminous plants, 173 

 Lens, action of, 853 

 Lenses, formation of images by, 857 

 Leucin, 410 



Levatores costarum, action of in inspira- 

 tion, 577 

 Lever motion of muscles, 725 

 Levers, 724 

 . Lieberkuhn's glands, 416 

 Light, reflection of, 851 



Lignin, 115 



Lips, action of, in mastication, 264 



Liquids, cohesion of, 39 



diffusion of, 49 



flow of, through elastic tubes, 522 

 rigid tubes, 518 



surface tension of, 39 

 Liver ferment, 112, 671 



glycogenic function of, 667 

 Lobes of the brain, 804 

 Localization of the functions in the cortex-, 



825 

 Locomotion, animal, 731 

 Lungs, diffusion of gases in, 592 

 Lying down and rising up, mechanism of, 



754 

 Lymph, 463 



circulation of, 467 

 Lymphatics, absorption of, 456 



Macula lutea, 865 

 Magnesium-ammonium phosphates 136 



carbonate, 130 



chloride, 136 



phosphate, 134 

 Malleus, 880 

 Maltose, 120 

 Mammalian heart, 498 



ovum, changes in, from impregnation, 

 24 

 segmentation of, 19 

 Mammals, brain of, 809 



circulation in, 497 



digestive apparatus of, 213 



movements of the heart in, 503 



ocular apparatus in, 849 



process of fecundation in, 904 



reproduction in, 906 

 Mammary glands, histological changes in, 

 628 

 innervation of, 629 

 structure of, 624 



secretion, 609 

 Manganese, 136 

 Manometer, 526 

 Manyplies, functions of, 377 



structure of, 319 

 Marey's tambour, 581 

 Margaric acid, 122 

 Margarin, 122 



Masseter muscle, action of; 243 

 Mastication, 338 



centre for, 817 



duration of, 266 



influence of saliva on, 267 

 Meal, buckwheat, 172 

 Meat, 188 



composition of, 189 



nutritive processes of feeding with, 

 680 

 Mechanical movement in cells, 70 

 Meconium, composition of, 445 

 Medulla oblongata, 810, 816 



