Страница - 81Страница - 83- Nectocalyx, marginal bodies in jelly-fish's, [51].
- Nerve, transmission of impressions through, [41];
- the power of discrimination in, [41];
- the association of ideas (impressions) in, [43];
- memory in, [43].
- Newt, tinctumutation in, [186];
- author's experiments with, [186].
[O]
- Œquorea, eyes of, [15].
- Œstrus equi, selection of foreleg of horse for oviposition by, [103].
- Onchidium, cephalic eyes of, [26];
- Opossum, letisimulation in the, [202], [212].
- Orang-utan, laughter in the, [89];
- use of missiles by, [222].
- Ox, homing sense in the, [199], [200].
- Oyster, eyes of, [16].
[P]
- Papilioninæ, length of life in tropical, [137].
- Perch, love of offspring in the white, [138].
- Periophthalmus, habitat of, [25];
- Pigeon, love of music in the, [122];
- Lockman's account of a music-loving, [122];
- musical discrimination in, [122].
- Pipe-fish, parental affection in the, [139];
- Risso's observations, [139].
- Plaice, the origin of unilateral eyes in the, [9];
- absence of color-changing faculty in blind, [188];
- Pouchet's demonstration of the color-changing function of the sympathetic nerves in, [189].
- Podura, F. fusca and F. rufescens make pets of, [126];
- author's observations of, [126].
- Polyergus, lowering tendency of slavery shown by, [155], [156].
- Prionus, author's experiments in locating organs of hearing in, [36].
[Q]
- Quail, domesticated, [111];
- love of caresses in, [111];
- love of instrumental music in, [111];
- fondness for the singing voice in, [112].
[R]
- Rat, fondness for instrumental music in, [116];
- power of musical discrimination in, [116].
- Reason, definition of, [147];
- difference between instinct and, [148].
- Rhizopod, sense of direction in, [48];
- Carter's observations of, [49];
- memory in, [60].
- Robin, homing sense in, [199].
[S]