INDEX OF SUBJECTS 



PAGE 



Abraxa grossulariata 105, 193 



Aceras hircina, local variability. . . 123 



Achatinellidae, local forms of 133 



Acquired characters, inheritance of, 



1 88, et seq., 217, 233 



Acronycta psi, melanic 138 



Adaptation, problem of 187, 234 



Agelaius, local forms 120 



Agrotis, fixed and variable species. 25 



Alkaptonuria 83 



Alpine Plants, growing larger, if 



protected 183 



Alpine Varieties 165 



Alytes obstetricans, Kammerer's 



experiments on 199. 210 



Amblystoma, races of 230 



Amphidasys betularia.melanic form, 



136, 138 



dimorphic larvae 141 



Anodonta, polymorphism of 130 



Antirrhinum, striped 57 



species-hybrids 99 



albinos no 



Apple, will not cross with pear 239 



Arctia caja, effects of temperature. 192 



larval variation in 231 



Arctic varieties 165 



Argynnis paphia and valesina in 



Italy 121 



Armadillo, polyembryony 42 



Artistic faculty 89 



Arum, rights and lefts 57 



Auriculas, short-styled selected . . . 236 



Axis of symmetry in hand and foot 48 



Axolotl, alleged effect of conditions 230 



Azalea, bud-sports 55 



Bacillus anthracis, unsegmented 



form 71 



Bacillus prodigiosus, variation in. . 213 



Bacteria, variation in 212 



Bacterium coli, variation in 214 



Baeolophus, geographical races of . . 159 



Barley, right and left-handed 58 



Basilarchia, geographical races of. . 161 



Begonia phyllomaniaca 50 



hybrids 51 



Bizarre Carnation, genetics of 54 



Black, as a variation from red .... 148 



PAGE 



Blackbird, varying 150 



Black Cock, fixity of 28 



Boarmia repandata, melanic form . 136 



rhomboidaria 137, 139 



Botrytis susceptibility to 108 



Bovidae, hybrid 242 



Brachydactyly 89, 95 



Bradypus, vertebral variation 68 



Bud-sports geometrically irregular 54-57 

 Buffalo, attempts to hybridize. . . . 242 



Bullfinch, gynandromorph 45 



Bulimus detritus, local variation of 126 



Canary, asymmetrical markings in 154 



Canidae, hybrid 241 



Capsella 100 



Cardamine pratensis 239 



Cat, Polydactylism 53 



Carnation, Picotees and bizarres 



compared 54, 58 



Cataract, hereditary 89 



Certhiola, melanic 142 



Chladni figures 60 



Choloepus, vertebral variation in . . 68 



local variation in 119 



Cinerarias, self -sterility in 238 



Cistudo, local variation in 119 



Climatic varieties 164 



Coccaceae, variation in 213 



Coenonympha arcania, climatic 



forms of 179 



satyrion 180 



Coereba, melanic 142 



Colaptes, geographical races, 147, et seq. 



chrysoides 154 



Colloids, growth in 65 



Colorado beetles, experiments on. . 218 



Colour blindness in twins 44 



Continuous variation, possible ex- 

 ample of 173 



Coracias, geographical races of. ... 160 



Cotton, genetics of 98, 100 



Coupling no 



Crab, extra claws 74 



Crustacean appendages and Serial 



Homology 63 



Crystals, analogy with 78 



Cyclopian monsters, artificial 50 



Daphnia, changed by environment 216 



251 



