2 9 6 



INDEX 



Dal ton, 19, 164 



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



Sgetseq., 59, 132. H9> 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 0* 5^., 179, 202, 



250, 277 



Degressive mutation, 144 

 Determinants, 261 

 Deviation, 1 1 8 

 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 



Gaertner, 159 



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, 



102 



Habit of plants, 280 

 Half- race, 141 et seq. 

 Helium, 22 

 Herbert, 158 

 Heredity, 94, 163 et seq. 

 Hetero tropic chromosome, 



253 etseq. 



Hetero zy go tes, 173 et seq. 

 Heterozygote forms, 181 

 Hieracium, 179 

 Hippocampus, 50 

 Homceosis, 126 et seq. 

 Homozygote, 174 

 Horns, 63 

 Horse, American trotting-, 



1 30 et seq. 



