5o6 



Index, 



BiDiE, Mr. George, anecdote of 



cat, 370 

 BiNKT, M., "Psychic Life of 

 Micro-organisms," 360 



Birds, influence of food-yolk on 

 development of, 56; diver- 

 gence among, 97 ; breeding 

 area of comparatively re- 

 stricted, 101 ; humming, Duke 

 of Argyle on, 110; destruction 

 of eggs of, 189; game-, white 

 and black crossed, 225 ; taste 

 in, 251 ; smell in, 256 ; hearing 

 in, 264 ; sight in, 284 ; colour- 

 vision in, 285 ; gardener bower, 

 408 ; humming, nests of, 408 ; 

 perfect instincts of prcecoces, 

 424 ; love antics of satin 

 bower, 450; nests of, 453; 

 song of, 454 



Blochmann on the development 

 of the drone, 153 



Blood, circulation of, 22i 



Body as di^ting^ished from re- 

 productive cells, 131 



Boll and Kuhne, Messrs., on 

 retinal purple, 276 



Bolton, Miss Caroline, on the 

 bat, 247 



Bombus muscorum, 90; lapi- 

 darius, 91 



Bombyx qitercus, 258 



Bower bird, 408, 450 



Brain, 31 ; decreased, of rabbits 

 and ducks, 171; a microcosm, 

 491 



Brkhm's, Thierleben, quotation 

 from, 405 



Brine shrimp, modified by sa- 

 linity of water, 164 



Broi»ks, Prof. \V. K., his modi- 

 fication of pangenesis, 134 ; 

 on the greater variability of 

 the male, 237 



Bkown, Prof. Crum, on sense of 

 acceleration, 270 



Bkown E, Sir J. Crichton, on 

 ducks, 171 



Budding, reproduction by, 42; 

 in relation to hereditj', 128 



Bull, " Favourite," prepotent, 

 227 ; reversion in, 229 



Bu NY AN, John, on gateways of 

 knowledge, 311 



Bltler, Mr. Samuel, on organic 

 memory, 62, 475 



Butterfly, protective resem- 

 blance in, 86 ; mimicry in, 87 



Camel, wounded, 392 



Canary, crested, 225 ; nest build- 

 ing of, 453 



Capon, taking to sitting, 228 



Capucliin monkey. Miss Ro- 

 manes's observation on, 367 ; 

 sympathy in, 397 



Carlyle, quoted, 331, 335 



Carp at Potsdam, 265 



Carter, Dr. Brudenell, quoted, 

 285 



Caste, idea of, in dog, 400 



Cat, effect of African climate on, 

 164 ; defining its percept, 339 ; 

 communication, 345 ; intelli- 

 gence of, 370 ; and mouse, 

 399 ; punishing kitten, 405 



Caterpillars, protective resem- 

 blance in, 82 



Cattle of Falkland Islands, 203 



Causation, 327 



Cell, diagram of animal, 10 ; 

 controlled explosions in, 31 



Cessation of selection, effects of, 

 172 



Chcetodon, 83 



Chfetogaster limncei, reproduc- 

 tion of, 42 



Cbaflfinch, nest of New Zealand, 

 454 



Chamaileon, 286 



Chance, 236 



Change of conditions, 163 



Characters, specific, 110 



Charbonnier, Mr. Henry, mea- 

 surements of bats, 63 



Chattock, Mr. A. P., his ex- 

 periments on colour-vision, 

 280 ; letter to, on dog aud 

 picture, 341 



Cheshire, Mr., on smell-hollows 

 in bees, 259 



Chickens' aversion to protected 

 caterpillars, 352 ; perfectly 

 instinctive activities, 424 



Chironomus, reproductive cells 

 of, 137 



Choice, 458 



Circulation of the blood, 22 



Classification, 323 



Clifford, W. K., on human 

 consciousness, 341 ; on the 

 eject, 476 ; on " world-con- 

 sciousness," 479 



Clover and bees, 113 



Clytus arietis, 87 



Cockchafer, smell -hollows of, 

 259 



CocKERELL, Mr., ou Variations 

 in snails, 75 ; on effects of i 

 moisture, 239 



Cockroach, diagram of trachea 

 or air-tubes of, 3 ; sense of ! 

 taste in, 253 ; sense of smell 

 in, 258 



Cocoon, collective, 429 



Colobus, 210 I 



Colour, protective resemblance 

 in, 82 ; warning of inedibility, I 

 82; dependent on humidity, { 

 164; direct action of climate I 

 on, 164 ; development of, 202 ; I 

 blindness, 273, 279 ; pheno- 

 mena of, 278 



Combination, organic, hypothesis 

 of, 150, 240 



Communication in dogs, 345 ; in 

 bees, 358 



Compensation of growth^ 155 



Competition, elimination 



through, 89 



Concept. 325, 326 



Conception. 325 



Conceptual conduct and evolu- 

 tion, 488 



Condor, rate of increase of, 57 



Conduct, 463 ; influence of 

 thought and esthetics on, 483; 

 conceptual, and natural selec- 

 tion, 488 



Congruity, principle of, 486 



Conjugation in protozoa, 39 ; of j 

 ovum and sperm-cell, 42 j 



Consciousness, 32 ; and con.senti- ! 

 ence, 326, 362 ; as a criterion 

 of instinct, 432 I 



Conseutieuce, 326, 362 | 



Construct and construction 

 (mental), 312; three stages of, 

 324 ; inevitable nature of, 332 ; 

 in mammals, 338 



Continuity of reproductive cells, 

 131; germ -plasm, 138; cel- 

 lular, 142 ; in mental develop- 

 ment, 373 



Convergence, phenomena of, 117 



Co-ordinants, 303 



Cope, Prof., on the effects of use, 

 210 ; and Hyatt, Prof., on re- 

 tardation and acceleration, 221 



Correlated variation, 59, 216 



CoRTi, organ of. 263 



('oryne. Prof. Weismann on, 139 



Couch, Mr., on goldfincLi song, 

 454 



Crab, protective resemblance in, 

 87; hermit. 195; habit of 

 decking itself, 457 



Crayfish, smell in, 259 ; auditory 

 orgiin of, 266 



Crossing. efi"ect on reversion, 230 



Cruelty in cat, objective, 400 



Crustacea, eyes of, 292 



Ctenoinys, 194 



Cuckoo, the name onomatopoetic, 

 322 ; habits intelligent, 436 ; 

 ejecting young birds, 437 



Curiosity in prong-horn, 339 



Cuttlefish, eyes of, 293 



Cyclas, 265 



Cycloptera specula ta, locust re- 

 sembling leaf, 86 



DallingeKjDt., his temperature- 

 experiments on monads, 147 



Danais, 203 



Daphnids, absence of fertiliza- 

 tion in reproduction of, 45 ; 

 colour - vision in, 292, 296; 

 leucocytes of, 439 



Darwin, Charles. Natural selec- 

 tion and the struggle for exist- 

 ence, 77 ; divides the principle 

 of selection into three kinds, 

 78 ; on selection of flowers and 

 fruits by insects, 93 ; on sexual 

 selection, 94 ; on prevention 

 of free crossing in breeding, 

 99 ; on differential fertility, 

 104; on London rats, 106; on 

 Galapagos archipelago, 109; 

 on diverse adaptation, HI ; on 

 the influence of old maids on 

 clover crops, 113; on the in- 

 fluence of parent on offspring, 

 122 ; on the co-ordinating 

 power of her organization, 1 25 ; 

 hypothesis of pangenesis, 131 ; 

 on fur of arctic animals, 165 ; 

 changes of structure attributed 

 to use and disease, 171 ; on 

 blindness of tuco-tuco, 194 ; 

 on the principle of economy, 

 194 ; on sexual selection, 198 ; 

 on preferential mating, 204; 

 on evolution of flowers, 205 ; 

 on co-ordinated variations in 

 the elk, 213 ; on acceleration, 

 222 ; on ancon sheep, 226 ; on 

 prepotency, 227 ; on reversion. 

 229 ; on the effects of cro.«!sing. 

 230; on fortuitous variation, 

 236 ; on the suliordination of 

 the conditions to the organism, 



