INDEX 
Hawaiian Islands, 50 
Helium, 23 
Herbert, 169 
Heredity, 101, 174 et seg. 
Heron, 292 
Heterotropic chromosome,270 
et seq. 
Heterozygote forms, 192 
Heterozygotes, 184 e¢ seq. 
Hieracium, 190 
Hippocampus, 55 
Homeeosis, 133 e seq. 
Homozygote, 185 
Horns, 69 
Horse, American trotting-, 
138 e¢ seq. 
coat colour in, 109, 215 
extinct, 33 
Hume, David, 29 
Hurst, 215 
Hutton, 26 
Huxley, 30, 124, 292, 320 
Hybrid, 159 
Hypostasis, 213 
Idiochromosomes, 271 
Ids, 279 
Immunity to rust, 237 
Indian corn, 177 et seq. 
Inheritance of acquired char- 
acters, 65 et seq., 155 
Irish elk, 69 
Isolation, 50 
Japan, 58 
Jennings, 116 
Johannsen, 116 ef seq., 318 
Jordan, 8, 153 
Jordan’s species, 9, 320 
Kelvin, Lord, 27 
Knight, 166 
331 
Knight-Darwin law, 168 
KG6lreuter, 161 et seq. 
Lamarck, 15 et seg., 30, 36 et 
seq., 65, 316 
Laplace, 24 
Latent characters, 203 
Leicestershire sheep, 137 
Line, pure, 109 et seg., 318 
Linneus, 7 et seq. 
Lyell, Sir C., 25 
Macdougal, 146, 156, 294 
Maize, 177 et seg., 198 
Malthus, 45, 46, 137 
Manitobar Hard, 235 
Mantide, 55 
Maple pea, 205 
Masters, 133 
Matthews, 42 
Mean, 96 
Median, 96 
Mendel, 19, 113, 189 ef seq., 
264, 299 et seq. 
Mendel’s law, 189, 299 ef seq. 
Mental characters, III 
Merism, 129 
Meristic variations, 130 
Metamorphy, 133 
Mice, 207, 274 
Michigan bronze, 237 
Mid-race, 148 et seq. 
Millardet, 171 et seq. 
Mimicry, 54 e¢ seq. 
Mirabilis jalapa, 165 
longiflova, 165 
Mitosis, 248 e¢ seq. 
Mivart, 38 
Mode, 96 
Mongrel, 160 
Mono-hybrid, 183 e¢ seq. 
Morgan, T. H., 61 e¢ seq. 
