INDEX 



443 



Drowning, resuscitation from, 183 

 Drugs, physiology of, 95 

 Ductless glands, 94 

 Dyspnoea, difficult respiration, 181 



Ear, anatomy, 411 



bones of, 412 



differentiation into separate sense- 

 organs, 410 



in fishes, 410 



phylogeny, 409 



Eel's blood injected into mammal, 20 

 Effector, an organ which exhibits 

 change in response to stimulation, 253 

 Egg-albumin destroyed by blood, 19 

 Electric organs, 288 



phenomena of muscles, 279 

 Emotions, their relation to vaso-motor 



changes, 242 

 Energy, expended by body, 151 



source of the body's, 152 



of stimulus compared with energy 



of muscular response, 254 

 Engines, body compared with, 152, 256 

 Epiglottis during swallowing, 433 

 Equilibrium, maintenance of, in walk- 

 ing, 342 



Erepsin, ferment of intestinal juice, 119 

 Errors of sensory judgment, 402 

 Excretion, 195 

 Eye, accommodation for distance, 391 



adaptation for darkness, 390 



blind spot, 394 



optical defects of, 393 



phylogeny, 334 



refractive media, formation of 



image by, 391 



Eyeball, abnormalities in shape of, 

 392 



anatomy, 373 



development, 374 



muscles of, indefatigable, 269 



Fat, absorption of, 131, 132 



accumulation of, relation to foods 

 consumed, 144 



chemistry, 132 



digestion, 133 



laid down in connective tissues, 145 



stored in liver, 145 

 Fatigue, causes of, 45, 268 

 Fermentation, 16 

 Ferments, chemical nature, 18 



classification, 16, 18 



physiological importance, 18 

 Fibrin of blood, its antecedents, 75 

 Fireflies, source of their light, 291 

 Fish, sense of smell of, 365 



supposed to be frightened by noise, 



410 

 Flatulence, cause of, 114, 125, 136 



Foods, classification, 142 



history of, after absorption. 142 

 relative value, 147, 151, 153, 157 

 residue after digestion and absorp- 

 tion, 194 



Foramen ovale of heart, sometimes per- 

 forate, 218 



Frigate-bird, turbinate bones of, 166 

 Frog, supposed to ba found entombed 



in rock, 164 



Functional interdependence of organs, 94 

 Functions transferred to other organs, 

 87 



Gall-stones, cause of formation of, 118 

 Galvani's observation of contraction 



of a frog's muscles, 277 

 Ganges, purifying water of, 138 

 Ganglia of sympathetic chain, function, 



325 

 Ganglion cells of retina, 376 



spinal, 299, 333 

 Gaseous tension, meaning of expression, 



188 

 Gases of blood, their exchange in the 



lungs, 184 



Gastric glands, structure, 123 

 juice, amount secreted, 114 

 composition, 114 

 digestive action, 115 

 Gelatin as article of diet, 158 

 Giant cells, 65 



Glands, vaso-motor nerves of, 109, 241 

 Glycogen, formula, 147 

 as muscle food, 148 

 stored in liver, 147 

 Goitre, cause of, 84 



Granules, appearance of, in glands, 110 

 of cerebellum, development of, 299, 



303 



Grey matter, formation of paths in, 356 

 Growth, a function of protoplasm, 24 

 a reaction to work, 47 



Hsematin, 68 



Haematoidin, 68 



Hsemochromogen, 68 



Haemoglobin, crystalline form, 66, 186 



formula, 66 



as oxygen carrier, 66, 186 



spectrum, 68, 185 

 Haemophilia, non- coagulability of blood, 



76 



Hallucinations, 362 

 Headache, a pain in the scalp, 106, 319 



the brain's warning of fatigue, 269 



from strain of eye-muscles, 268 

 Hearing, analysis of compound vibra- 

 tions, 405 



capacity dependent upon educa- 

 tion, 422 



