350 



INDEX 



Peas, wrinkled, 100, 107, 173 



yellow, 100, 107, 110 

 Pebrine, 82 



Pedigree breeding, 200, 203 

 Pendulum, 40 

 PenicilUum, 83 

 Peromyscus, 52 

 Persians, 208 

 PETRUNKEVITSCH, 276 

 Petunia, 47 

 Phacechaerus, 78 

 Phaseolus, 123 

 Phenotype, 110, 111, 113, 116, 



159, 196, 250 

 Phenotypic selection, 201 

 PHILLIPS, 85, 86, 137 

 Phoenicians, 208 

 Phylloxera, 272, 273, 275 

 Physiological regulators, 262 

 Piebald mice, 95, 155 

 Pied Piper, 145 

 Pigeon, 196, 249 

 Pigment gene, 152 



production, 136 

 Pigs, 171 

 Pineys, 303 

 Plesiosaurs, 56 

 Plural genes, 149 

 Pomace fly (see Drosophila) 

 Polarity, 259 

 Polydactylism, 312 

 Polyembryony, 277 

 Polygons, bimodal, 29 



frequency, 29 

 Poppy, Shirley, 47 

 Polar cells, 54, 224, 267, 271, 



273 



POPEXOE, 83 

 Population, 127 

 Porcupine, 198 



Poultry, 50, 71, 89, 102, 124, 

 171, 176 



rumpless, 172, 175 



tailless, 49 

 Potato, 136, 205 



beetles, 33, 36, 137, 143, -144 

 Potency, 172 



failure of, 174 



partial, 174 



total, 173 



Preformation, 252 

 Prenatal characters, 68 



influences, 83 

 Presence or absence theory, 



106, 149 



Preventable death, 321 

 PRICE, 102 

 Primitive man, 296 

 Primrose, double, 47 



evening, 249 



giant, 48 

 Primula, 59, 249 

 Prisoners, 309 

 Progeny, parthenogenetic, 132, 



134, 136, 141 

 Progressive species, 45 

 Prophase, 219 

 Prostitutes, 299, 322 

 Protophyta, 10 

 Protoplasm, 216 

 Protozoa, 10, 13, 86, 138 

 Proximity, 308, 328 

 Pseudomethoca, 291 

 Pug jaws, 50 

 PUKNETT, 99, 235, 249 

 Pure lines, 121, 122, 123 

 Puritan stock, 208 

 Purple beech, 47 



Quadroon, 192 

 Quail, 79 



Rabbit, 16, 89, 101, 162, 163. 

 249, 268 



color of, 160 



ears, 177, 187 



gray, 162 



lenses, 89 



lop-eared, 177 



phenotypes, 159 

 Race preservation, 336 

 Radiolaria, 218 

 Rate of development, 262 

 Rats, 149, 206, 249 



hooded, 139, 145, 166 

 Recessive, 99, 119, 196, 212 



extracted, 310 

 Recurrent mutation, 53 

 Red-eyed yellow mice, 52 

 REDFIELD, 67 



