INDEX 



285 



Electrical disturbances in plants, 4 



et seq. 

 Electrical conditions of the earth, 



267 



Electrical equilibrium, 109 

 laws, 146 

 ,, particles, 90 

 stimulation of plants, 39, 

 40 

 Electrical stimulation of muscles 



and nerves, 178 et seq. 

 Electrical stimulus of nerves, 75, 



107, 178 

 Electrical tensions between air and 



earth, 5 



Electrical units, 245 

 Electricity, atmospheric, 271 

 in agriculture, 42 



in relation to vegetable 

 poisons, 277 



Electricity, molecular theory of, 1 69 

 Electrodes, theories concerning, 8, 



52, 59 et seq., 68 

 Electrodes and electrolysis, 20, 35, 



36, 242, 244 



Electrodes, reliability of, 60 et seq. 

 , thumb pressure on, 69 

 ; , , the, 242-4 

 Electro-cardiograms, 68, 201 

 Electro-diagnosis, 234 et seq. 

 Electro-magnetic waves, 226 

 Electromotive force of vegetables, 



37 

 Electromotive mechanism in plants, 



Electrons, vibrations of, 226 

 Electro-physiology of the motor 



apparatus, 144 et seq. 

 Elodea, cells from, 134 

 End-plates, 150, 165, 166, 179, 



180, 207, 210 

 Endolymph, 229 

 Endoneurium, 76, 162 

 Endothelium of a serous mem- 

 brane, 125 

 Energy, source of body, 85 



, storage of, 87 



, conveyance of, 89 

 Engelmann, 228 

 Enzyme action, 113, 132 

 Epineurium, 163 

 Epilepsy, 259, 261 



, safety-valve in, 262 

 Epiphysis, 173 



Epithelium cells, 118, 124, 222, 229 

 Equatorial plane, 115 

 Equilibrium, 67, 105, 109, 196, 200, 



252, 261 

 Error, factors of, 53 



, causes contributing to, 54, 58 



Euphorbia, 127 

 Eustachian tube, 229 

 Evidences of the law, 118 et seq. 

 Evolution, theory of, 5 

 Excessive nervousness, 259 

 Excised muscle, 58, 155, 159 

 Excitability, 154, 156 et seq., 179 

 Exoplasm, 106, 109 

 Eye, the, 217 et seq. 

 , artificial, 218 



FARADAY, 142, 146, 163 



B'ats in animals and plants, 132, 



247, 256 



Fatty acids, 133 

 " Faults " in the ears, 232 



, various, 259 

 Fenestra ovalis, 229, 231 



rotunda, 229 

 Ferro-sulphate as an electrolyte, 38 

 Ferruginous soils, 274 

 Fertilisation of the ovum, 110, 119 

 Fever, dengue, 275 



, malarial, 275 



, yellow, 275 

 Fibres of Purkinje, 99 

 Fibrils of nerve-fibre, 121 

 Fibro-cartilage cells, 123 

 Fibrous tissue, 87 

 Fick, 155 

 Finger-tips, 88 

 Finlay, xxv, xxvii 

 Flammarion, 271 

 Foetus, circulation of, 22, 84 



,, , the developing, 88 

 Fovea centralis, 221 

 Frey, 126 

 Fucus, 112 

 Fuscin, 228 



G 



GALVANI, 50 



Galvanometer connecting wires, 242 



, D'Arsonval, 18, 238 



, Kelvin, 7, 54, 234 et 

 seq. 



lamp, 241 



scale, 239 



short-circuit keys, 241 



string, 68 



, importance of, 259 



and psychological in- 

 fluence, 68 

 Galvanometric diagnosis, 244, 246, 



247 



Ganglia, autonomic, 202 

 Ganglion cells, 120, 196 et seq., 216 



