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 



Enererj', abstract, 45; available, 38; 

 bodily sources of , 69 ; bound, 53 , 23 1 ; 



' 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 



P^nvironment, 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 

 i Flagellates, 11 

 ! Flexor muscles, 21 

 i 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 

 i Food substances, ultimate, 218 

 | Foot, movements of, 20 

 i Forearm, diagram, 21 ; movements of, 



18,21; muscles of, 21 

 l Forebrain, 94 

 1 Forelimb, diagram, 19; of mammals, 



18 



i Foster and vitalism, 160 

 j 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 



i Gases, heat transference 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 



Gland action, 70, 74; control, 239; 

 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 

 of, 126 



