INDEX 



243 



Dynamics, 46 



Dyspepsia and secretion, 7 



Ear, internal, 103 



Effort, bodily, 35 



Einstein, 194, 235 



Electricity and heat, 44; measure- 

 ment of, 37 



Electrons, 37; and modern cos- 

 mogony, 162 



Elements, Cartesian, 161 ; chemical, 36 



Embryo brain, diagram, 96 



Emotion, absent in decerebrate ani- 

 mals, 141 ; nature of, 25 



Endothermic reactions, 83 



Energy, abstract, 45; available, 38; 

 bodily sourcesof, 69; bound, 53, 231 ; 

 conservation of, 46; definition of, 

 46, 52; dissipation of, 51, 86, 231; 

 electric, 38; equations, 45; factors 

 of, 50; of food, 69; forms of, 38; 

 gravitational, 38; history of, 157; 

 kinetic, 39; leakage of, 45; loss by 

 friction, 41; muscular, 38; radiant, 

 40; of space, 209; of state, 48; of 

 steam, 39; unavailable, 42 



Energy transformations, 39, 41, 42; 

 alternative, 108; and becoming, 49; 

 compensatory, 83; conditions of, 

 215; coupled, 221 ; examples of, 49; 

 irreversible, 42; quantitative, 44; 

 release of, 30; reversible, 42; sign of, 

 51; and work, 51 



Engine, animate, 56; inanimate, 55 



Entelechy, 193 



Enterokinase, 58 



Entropy, 52, 196; and becoming, 216, 

 220; changes, 200, 202; increase of, 

 221 ; retarded by life, 220 



Environment, action on, 55; of life, 

 55; stimuli of, 13 



Enzymes, action of, 62; nature of, 58 



Epiphenomena, 184 



Equations, differential, 168, 171, 

 229 



Equilibrium and auditory sensation, 

 114; mechanical, 40 



Erepsin, 61 



Ether of space, 162; seat of potential 

 energy, 48 



Evolution and adaptations, 186; cos- 

 mic, 181; creative process, 181; 

 historic proofs, 212; and structure, 

 2; unpredictable, 211 



Excretion, 70; vicarious, 6 



Exercise, physiology of, 87 



Existence, real and unreal, 52 



Exoskeletons, 15 



Experience and acting, 182; and 

 adaptations, 151 ; in reflexes, 118 



Explanations, scientific, 210 



Extension, 232 



Extensor muscles, 21 



Eye a camera, 108; cyclopean, 99; 

 of invertebrates, 2 ; of vertebrates, 2 

 Eyelids, movements of, 23 



Fabricius, 66 



Fats, 58 



Fats, decomposition of, 79 



Fatty acids, 60 



Fear, analysis of, 226 



Ferments, digestive, 58 



Fibres, muscular, 23 



Fischer, 59, 159 



Fish, bloodvessels of, 64; brain, 

 diagram, 97; cerebellum of, 95; 

 locomotion of, 11 



Flagellates, 11 



Flexor muscles, 21 



Food, composition of, 58; distribution 

 of, 61; and energy, 158; inedible 

 parts of, 57; of plants, 81 ; prepara- 

 tion of, 57 ; substances, 57 



Foodstuffs, categories of, 58 



Food substances, ultimate, 218 



Foot, movements of, 20 



Forearm, diagram, 21; movements of, 

 18, 21; muscles of, 21 



Forebrain, 94 



Forelimb, diagram, 19; of mammals, 

 18 



Foster and vitalism, 160 



Freedom, degrees of, 18, 19 



Free-will, 179 



Friction and heat, 43 



Frog, decerebrate, 139 



Functioning, organic, 213 



Galen, physiology of, 154 



Ganglia, in brain, diagram, 101; 

 medullary, 100; nervous, 91; seg- 

 mental, 91, 92; structure of cells of, 

 26 



Gases, heattransference in, 200; kinetic 



theory of, 198; in lungs, 67 



Gastric glands, 58 



Genetics, 8 



Geometry, 235; Euclidean, 90; four- 

 dimensional, 190; non- Euclidean, 

 215, 235 



Gibbs, 194 



Gills of fish, 64 

 i Gland action, 70, 74; control, 239; 

 i ductless, 74; nature of, 58; pineal, 

 74; pituitary, 74; structure of, 238; 

 thyroid, 74 



Goitre, exophthalmic, 7 



Golz, 141 



Graham and dialysis, 158 



Gravitation energy, 35; an explana- 

 tion, 211 



Green plants, 87 

 ' Grey matter of brain, 91, 128 ; structure 

 I of, 126 



