298 



INDEX 



Normal variations, 75 et seq. 



curve, 88 et seq. 

 Nuclear division, 231 et seq. 



membrane, 229 

 Nucleus, 220, 229 et seq. 

 Nutrition, 70, 146 



(Enothera albida, 136 



biennis, 140 



gigas, 136 



Lamarkiana, 135 et seq., 

 277 



lata, 136 



muricata, 140 



nanella, 137, 140 

 Ovum, 1 66, 228 

 Oxlip, 8 



Painted Lady, 197 

 Parental correlation, 94 et 



seq. 

 Pea, garden, 77, 155 et seq. 



179, 1 86, 190 

 Peacock, 57, 125 

 Pearson, Karl, 71, 73 et seq., 



129, 211, 287 

 Phyllopteryx, 50 

 Physical science, 4 

 Picotee, 197 

 Pigeons, 41 

 Plastids, 223 

 Pleurococcus, 224 

 Polish wheat, 217 

 Polygon, Galton's, 119 

 Populations, 109 



selection in, 1 1 1 

 Primrose, 8, 201 

 Primula, 183 



Probability, theory of, 84 

 Progressive mutation, 144 

 Pronuba, 49 

 Protenor belfragi, 253 



Prothallus, 272 

 Protogene, 212 

 Protoplasm, 222 

 Protozygote, 212 

 Puccinia glumarum, 219 

 Punnett, R. C., 43, 181 

 Pure lines, 109 et seq., 284 



selection in, 1 1 1 

 Purple Invincible, 197 



Quartile, 90 

 Quetelet, 73, 79, 86 



Radium, 22 

 Ranunculus, 7 

 water, 281 



Recessive characters, 168 

 Red Fife, 218 

 Reducing division, 241 et 



seq. 

 Regeneration, 55 et seq. 



!' Regression, 99 

 Resemblance, protective, 49 

 I Retrogressive mutation, 145 

 Reversion on crossing, 188 



et seq., 199 

 Rivet wheat, 217 

 Rosenberg, 237 

 Rotifers, 43 

 Rough Chaff, 218 

 Rust-immunity, 219 



Saunders, 196, 200 

 Saxifraga hypnoides, 53 

 Sea-urchin, 239 

 Sedgwick, A., 69 

 Selection, artificial, 40, 107, 

 128 



natural, 38 etseq.,44, 113 

 Selective fertilization ,195,256 

 Sex, 204, 253 et seq. 

 Sexual selection, 56 



