290 



INDEX 



Loeb, J., 10, 17, 31, 61, conscious- 

 ness in animals, 4, 6 



Amphipyra, tropisms of, 36 



geotaxis in Antennularia, 30; 

 in Cerianthus, 30; in 

 insects, 32 



Gonionemus, rhythmic con- 

 tractions of, 16 



heliotropism, 19, 41, 46 



photokinesis and phototaxis, 

 41 



phototaxis, change of in cope- 

 pods, Gammarus and Pol- 

 ygordius, 49 



stereotropism, 33 



theory of tropisms, 18-21, 60 

 Loxocephalus, forming groups, 24 

 Loxophyllum, behavior, 16, 25, 35, 

 79-81, 141 



chemotaxis, 25 



reaction of pieces, 80 



reactions to repeated stimula- 

 tion, 141 



rhythms, 16 



thigmotaxis, 35 



Lubbock, Sir J., 216, communica- 

 tion in ants, 214; in bees, 

 215 



homing of bees, 193 



intelligence of ants, 211-214 



intelligence of wasp, 192 

 Lukas, F., 17 



Lyon, E. P., compensatory mo- 

 tions, 40 



phototaxis in Palaemonetes, 

 49, 56 



rheotaxis in fishes, 37, 38, 57 



Mactra, reaction to shadows, 41 

 Magpie, imitation, 257 

 Mammals, intelligence, 232 ff 



compensatory motions, 39 

 Man, instincts of, 100 

 Marshall, H. R., 10, 179 

 Massart, J., chemotaxis absent in 

 Polytoma, 25 



Massart, J., effect of temperature 



on phototaxis of Chrom- 



ulina, 49 



geotaxis in lower organisms, 29 

 Mast, S. O., 61, 89; Arenicola, 



larvce, phototaxis of, 53 



Didinium, behavior of, 77-79; 



Eudendrium, phototaxis, 52; 



Stentor, phototaxis, 44 



Maxwell, S., thigmotaxis of Nereis, 



36 



May-fly. See Heptagenia. 

 McCook, H. C., 216 

 Mendelssohn, M., 61 

 Metalnikow, S., food taking in 



Paramoecium, 72 

 Metridium, food taking, 151 



varied reactions of, 160, 161 

 Michener, E. J., effect of chemicals 



on phototaxis, 50 

 Migration, in birds, 108 

 Mills, T. W., 258 

 Milne-Edwards, H., intelligence of 



animals, 260 

 Minkiewicz, C., 61, disguisement of 



spider crabs, 104 

 reactions to colored lights, 47 

 Mobius, K., 231, 279, intelligence 



of pike, 219, 220 

 intelligence of a chimpanzee, 



266 



Mocking-bird, imitation, 257 

 Moggridge, J. T., on young trap 



door spiders, 98 

 Molluscs, change of responsiveness 



to light and shadows, 143 

 intelligence, 187-189 

 Molothrus, imperfect egg-laying 



instinct, 96 

 Monkeys, 260 ff 

 Montgomery, T. H., on young 



Epeiras, 98 

 Moore, A., geotaxis in Paramoecium, 



30 



Moore, A. R., habit formation in 

 starfish, 154, 155 



