INDEX 



349 



Mutation, 23, 38, 39, 40, 51, 55, 

 61, 62, 91, 254 



aggregate, 51 



causes of, 57, 60 



factor, 58, 60 



gametic, 53 



kinds of, 51 



multiple, 51 



origin of, 53 



parallel, 52 



recurrent, 53 



reverse, 53 



single gene, 51 



somatic, 53, 55 



theory, 41 



zygotic, 53, 55 

 Mutilation, 75 



NABOURS, 279 



NACHTSHEIM, 276 



NAEGELI, 20, 21, 95 



Nams, 303 



Narcissus, 59 



Natural selection, 41, 42, 51, 



297 



Nature, 63, 203 

 Necturus, 79 

 Negro, 192 



Negro-white cross, 190 

 Nematodes, 293 

 Neo-Darwinian, 65 

 Neo-Lamarckian, 65 

 Neotony, 78 

 Nettles, 102, 172 

 NEWELL, 276 

 NEWTON, 316, 334 

 Nicodemus, 72 

 Night-blindness, 312 

 NILSSON, 136, 205 

 NILSSON-EHLE, 179, 180, 181, 



183, 186, 187, 191 



NlTOBE, 19 



Non-disjunction, 59, 269, 285, 



286, 287 



Nuclear membrane, 216 

 Nucleus, 916 

 Nulliplex, 107, 195 

 Nurture 63, 203 



Oats, 136, 249 

 Octaroon, 192 



(Enothera, 43, 44, 45, 59, 165 



Oil-gland, 50 



Oocyte, 224, 267, 271, 273 



Oogonia, 224, 267, 271, 273 



Oranges, navel, 11 



Origin of individual, 2 



life, 8 



mutation, 53 



species, 3, 41 

 Orthoptera, 265 

 OSBORN, 336 

 Ostrich, 52 



Outcrossing, 207, 209, 307 

 Ovarian transplantation, 85, 86 

 OVID, 9 

 Ovists, 222 



Ovum, mature, 267, 271, 273 

 Oyster-borer, 28, 29 



Pacing horses, 102 



Pangenesis, 70, 73, 90, 91, 105 

 intracellular, 257 



Palatine ridges, 197 



Papaver, 47 



Parallel induction, 70, 81, 91 

 mutation, 52 



Paramerium, 29, 30, 87, 88, 136, 

 137, 138, 140, 141 



Parasitism, 290 



Parental generation, 103 



Parrot, 20 



Participate inheritance, 94, 155 



Parthenogenesis, 132, 134, 227 



Parthenogenetic eggs, 273, 275 

 progeny, 132, 134, 136, 141 



Partial potency, 174 



PASTETJR, 9, 82, 316 



Pattern genes, 154, 161 



Paupers, 299, 305, 309, 317, 322 



PAYNE, 137 



PEARL, 136, 137, 145 



PEARSON* 24, 25, 31 



Peas, 98, 110, 136, 148, 205, 234, 



249 



dwarf, 98, 99, 100, 105, 107 

 garden, 100 

 green, 100, 107 

 smooth, 100, 107, 173 

 sweet, 151, 152, 235, 249 

 tall, 98, 99, 100, 105, 107 



