INDEX 
Fly, larve, See Blow-fly. 
Forel, A., 216 
contra Lamarckism, 124 
courage in ants, 207 
imitation in ants, 210 
intelligence of bees, 200-202 
intelligence of water beetles, 
192 
Formica sanguinea, 205, 207, 210 
Fox, Rev. D., variant instinct in 
dog, 134 
Freund, F., 258 
Frog, instincts, 105-107 
intelligence, 227-229 
reflexes, 12-15, 105-107 
Fundulus, rheotaxis, 37 
Garner, R. L., 279 
language of apes, 214 
Gatke, migration of birds, 254 
Geotaxis, 29, 34 
Verworn’s theory of, 34 
Ghinst, van der, 162 
Gibbs, D. and Dellinger, O. P., 89 
Glaser, O. C., 162, behavior of 
ophiurans, 181 
Goby, intelligence, 224-226 
Goldfish, learning to come for 
food, 223 
Goldsmith, M., 231, intelligence of 
of goby, 224-226 
Goltz, F., clasping instinct of 
brainless male frog, 106 
Gonionemus, effect of hunger on 
behavior, 150 
geotaxis, 30 
reactions, 16 
Goniotaxis, defined, 36 
Groom, T. F., and Loeb, J., pho-- 
totaxis of Balanus larve, 
47 
Groos, K., contra Lamarckism, 124 
Gurley, R. R., 231 
Haake, W., dancing instinct in 
shrew, 134 
287 
Habits in anemones, 153, 157, 158 
in birds, 121-123 
in hermit crabs, 158, 186, 187 
in organs, 159 
Paramecium, 86-88 
in starfish, 154, 155, 158 
various causes of, 153-159 
Hachet-Souplet, P., 258 
Hadley, P. B., rheotaxis of lobster, 
38, 57 
phototaxis of lobster, 55, 56 
Haggerty, M. E., 279, imitation in 
monkeys, 273, 274 
Hanel, E., supposed intelligence of 
earthworms, 161 
Hargitt, C. W., 162, reactions of 
Hydroides to shadows, 
142 
Harper, E. H., 61, photatxis in 
Pericheta, 44 
Hartley, intelligence in animals, 
232 
Hartmann, R., 279 
Hartmann, von, definition of in- 
stinct, 92 
Haseman, rhythms in Littorina, 
157 
Hawks, fear of, 123 
Heliotropism, 19. See also Photo- 
taxis. 
Heptagenia, intelligence, 192 
Hermit crabs, intelligence, 186, 187 
tidal rhythms, 158 
Herrick, C. J., 231, intelligence in 
cat-fish, 222 
Hertel, E., reactions of Parame- 
cium to ultra violet rays, 
75 
Hirschlaff, L., 279, imitation in 
chimpanzee Consul, 272 
Hobhouse, L. T., 114, 179, 258, 259 
imitation, 256 
instinct and intelligence, 112 
intelligence of dog, 254 
intelligence in monkeys, 262— 
266, 269-270, 276, 277 
