296 



INDEX 



Dalton, 19, 164 



Darwin, Charles, 2, 3, 16, 35, 



39 et seq., 59, 132, 149, 201, 



276, 286 



Erasmus, 28 

 Sir G., 27 

 Daughter-cell, 225 

 Davenport, 92 

 De Maillet, 29 

 de Vries, 17, 19, 69, 70, 76, 



113, 128 et seq., 179, 202, 



250, 277 



Degressive mutation, 144 

 Determinants, 261 

 Deviation, 118 

 Di-hybrids, 175 

 Discontinuous variation, 121 



et seq., 275 et seq. 

 Domestication, 32 

 Dominance, 181 

 Dominant, 168 

 Double flowers, 126 



Elephant, 42 

 Embryo, 166 

 Embryology, 30, 226 

 Emily Henderson, 196 

 Empedocles, 28 

 Endosperm, 166 

 Error, probable, 92 

 Evening primrose, 76 

 Evolution, 20 et seq. 

 parallel, 51, 53 

 Eye, colour of human, 76, 102 



Ferns, 271 



Fertilization, 151, 227, 229 



normal, 202 

 Flat fishes, 35 

 Fluctuating variations, 69 

 Formula, Mendelian, 172 

 Franklin, 41 



Fraternal correlation, 99 et 



seq. 

 Frequency, 91 



i Gaertner, 159 



j Galton, 73, 99, 105, 118 et 

 seq. 



Gametes, 167, 227 



Gecko, 56 



Geikie, 27 



Genetics, 264 



Genetic variations, 283 



Geographical distribution, 31 



Geological succession, 31 

 time, 26, 279 



Germ-cells, 67, 167, 227 



Germ-plasm theory, 259 et 

 seq. 



Giraffe, 34 



Goethe, 29, 164 



Goss, 158 



Gradation of organisms, 30 



Gregory, R. P., 201 



Greyhound, coat colour of, 



IO2 



Habit of plants, 280 

 Half-race, 141 et seq. 

 Helium, 22 

 Herbert, 158 

 Heredity, 94, 163 et seq. 

 Heterotropic chromosome, 



253 et seq. 



Heterozygotes, 173 et seq. 

 Heterozygote forms, 181 

 Hieracium, 179 

 Hippocampus, 50 

 Homceosis, 126 et seq. 

 Homozygote, 174 

 Horns, 63 

 Horse, American trotting-, 



130 et seq. 



