INDEX 



3<>7 



Geotropism in Actinians, 57 



in Cucumaria, 66 



in Kchinoclenns, 61-71 



in insects, 66 

 ( K'ppert, 108 

 Golgi, 136, 137 



Goltz, 43, 86, 137, 142, 145,148, 149, 

 193, 200, 205, 208, 209, 237-239, 

 246, 257, 262-268, 275 



and Kwald, 41-44,47, 145, 149, 



195, 209, 212, 239 

 Gonionemus, 17, etc., 95 

 Graber, 99, 229 



Grafting in Medusa. Stt Hargitt. 

 Grasshopper, 121 

 Groom, 191, 199 



Hargitt, 26, 27 

 Heliotropism, 183, 195 



in Asterina, 69 



in Eudendrium, 179 



in caterpillars, 188 



in marine animals, 190-193 



in moths, 181 



transformation of, 189, 192 

 Helmholtz, 242, 290 

 Hemiamblyopia, 271-273 

 Hemianopia, 151, 270-273 

 Heredity, 201-212 



Hering, 158, 242, 290, 301, 303 

 Hermann, 231, 300, 303 

 Hertwig, 34 



Heteromorphosis, 51, 203 

 Hitzig, 265-267, 275 

 Hunter, 42 



Hyde, Ida, 102, 104, 126, 155 

 Hydromedusae, 16, 97 

 Hydrophilus, 119, 123 



Image of memory, 270-272, 277 

 Inhibition, of progressive motions, 

 117, 155, 171 



of reflexes, 131, 237, 289-303 

 Innervation, its relation to space-sen- 

 sation, 168, 300-303 ; to wave 

 motion, 289-303 



Instincts, general remarks, 6-8 



relation to nervous system, 194 

 - theory of, 177199 



Intelligence, in starfish, 65 



difference in man and animals, 



254 



Intelligence, differences in individu- 

 als, 254 



disturbances after injury to brain, 



262, 263, 277-287 



heredity of, 211 



localisation of. See Associations. 

 Ions and rhythmical contraction, 9, 



1 8- 20 

 Iris, 39, 40 



Jaeger, 203 



James, W., 216, 235 



Janet, 230 



Jelly-fish. See Medusae. 



Lang, 99 



Langendorff, no, 126 



Lea, 292 



Le Gallois, no 



Light, effect of, on Planarians, 79-81 ; 



on earthworm, 89. See also 



Heliotropism. 

 Limulus, 102-113 

 Lingle, 28 

 Localisation, psychic and anatomical, 



259-276 



in cerebral hemispheres, 134, 259, 



etc. 

 - in spinal cord, 134-149 



of images of memory, 270-272, 



277 



Localising reflex, 30-33 

 Locomotion, centre of, 140, 157 

 Locy, 134 

 Longet, 243 

 Lubbock, 223 

 Luciani, 174, 176 

 Lumbricus. See Earthworm. 

 Lyon, 176 



Mach, 214, 215, 235, 291, 300-303 

 Magendie, 171, 175, 176, 240, 264 

 Mass of brain, relation to intelligence, 



254 



Mathews, 208, 212 

 Maxwell, 87, 88, 92, 93, 96, 97, 100, 



164, 167 

 Mayer, 197 

 McCaskill, 96 



Mechanics of brain activity, 289, etc. 

 Medulla oblongata, 110, 139, 140- 



143, 152-154. 171 

 Medusa;, 16, 26, 95, 97 



