INDEX 



263 



Civilization and domestication, 169 

 CLARK (J. A.), on colour-variation in 



Smerinthus, 51 

 CLAUS, on variation in ^Eqnorea 



, 



forskalea, 106 

 lematis vitalba, 142 



CLESSIN (S.)> on the influence of the 

 movement of water on the form of 

 molluscs, 207 



Climate, influence on colour, 69 ; on 

 sexuality, 109 



Coffea arabica killed by a species of 

 insects which does not attack C- 

 liberica, 136 



Colchicin, influence of germinating 

 seeds, 137 



Colchiciiin aiitnmnale, 142 



Colzas phyllodoce, vitality, 120 



Colour, variability, 48 ; in animals, 

 50 ; food and, 57 ', colour of envi- 

 ronments, its influence, 58 ; and 

 hybridation, 64 ; and vigour, 68, 69 ; 

 and climate, 69 



Colour-variation, Linnaeus on, 48 ; 

 accompanied by other sorts of varia- 

 tion, 49 ; in fox, 50 ; butterflies, 50 ; 

 in insects generally, 51 ; cray-fish, 52 ; 

 worms, 52 ; seasonal, 52 ; chemical 

 variation underlying colour-varia- 

 tion, 61 ; influence of light and 

 oxygen, 220 ; and fecundity, 68 



COLUMELLA, 22O 



Conium macnlatnm, 140 



CONTA (BASILE), on origin of present 

 forms of life, 9 



CONTEJEAN (CM.), on physiological 

 differences between differently 

 coloured frogs, 134 ; on differences 

 in the digestive tract between frog 

 and toad, 134, 135 



Copper (sulphate of), influence on 

 germination, 137 



Coriander, species, 95 



CORNEVIN, on modes of variation in 

 domestic animals, 47 ; on proportion 

 of sexes in different species of 

 animals, 108 ; on toxic foods, 135, 

 136 ; on conditions of domestication, 

 162 ; on differences in skull-capacity 

 between wild and domestic forms, 

 166 ; on differences in length of 

 gestation according to breeds of 

 cattle, 167; on differences of 

 variability among domestic animals, 

 170 ; on a variety of sheep with 

 four udders, 239 ; on crossing and 

 fertility, 243 ; on predominant 

 heredity, 245 ; forms of heredity, 247 



CORNU, on parasitism and sexuality, 

 108 



COSTANTIN, on the influence of aerial 

 and aquatic life on stomata and 

 leaves, 209 



Cray-fish, colour-variation, 51 



Creation Theory, 7 

 four views, 22 

 what it implies, 39 



Crossing between orange and lemon, 

 62 ; proposed method of experiments, 

 242 seq., 249 



Cultivation of plants, its modifying 

 influence, 171 ; should be extended 

 to new forms, 172 ; origin of culti- 

 vated plants, 173 



CUNNINGHAM, on muscular variability, 

 105 



CuRTiss(A. H.), on dimensional varia- 

 tions, 72 



CUVIER, 19 ; revolutions of the earth, 23 



Cyclamen europce-itm, 141 



D. 



DALIBARD, on variations in the scent 

 of flowers, 102 



DALL (W. H.), on sudden variation, 

 *5i 



DALLINGER, on adaptation, 221 



DAMMER (UDO), on teratology, 100 



Daphnia degenerata, magna, and 

 pulex, relationship, 217 



Daphnia rectirostris, variations ac- 

 cording to mode of life, 213 



DARESTE(C.)I on experimental terato- 

 geny, 193^^.. 228, 220 ; on crossing, 

 246 



DARWIN (C.), Origin of Species, 6 



Datura stramonhim crossed with D. 

 Icevis, 62 



DECAISNE, on variability in fruit trees, 

 99 



DELAUNAY (G.), on comparative 

 biology, 123 



DELBCEUF, " tendency to better- 

 ment," 151 



DETMER, on the shoots of Thuja 

 occidentalis, 222 



Digestive system, variation, 106 ; 

 physiological differences between 

 frog and toad, 134, 135 



Dimensional variation, 70 ; in man 

 and animals, 70 ; in plants, 72 ; in 

 insular animals and plants, 73 ; 

 physiological limit, 76 



Diphtheria, 124 



Disease, racial immunity from 123 



Domestic animals, number very small, 

 157 ; wild forms of, 158, 159 ; varia- 

 bility is variable, 170 



Domestication, 156 ; ought to be ex- 

 tended to new forms, 160 ; conditions 

 of, 162 ; as a means of transmuta- 

 tion, 164 ; and civilization, 169 



Doris tiibercnlata transferred to fresh 

 water, 188 



Doryphora decemlineata, 120 



Down of plants more abundant in dry 

 stations, 91 



