SUBJECT INDEX 



373 



Lymantria dispar, hypcrmales, 69 



induction, 190 



intersexuality, 39, 40, 52, 63, 67, 

 181, 189, 194, 222-223, 226, 

 238 



molting, 77, 127 



mutants, 247, 250 



pattern, 228-229, 231-232, 241 



phenocopy, 40, 233 



prothetely, 173 



sex in development, 131 



sex-controlled inheritance, 129 



sex-genes, 63, 72, 118, 124 



sex- races, 145 



size inheritance, 213 



threshold, 117, 181 

 Lymantria monacha, 128, 207, 250 

 Lymnaeiis, asymmetry, 224, 227 



M 



Mutant, identical with a develop- 

 mental stage, 40 

 Mutant gene, type of reaction con- 

 trolled by, 174 

 Mutants, phenocopies and the de- 

 velopment of, 23-51 

 Mutation, excitation, 294 

 rate, 284, 289, 312 

 reverse, 289-290 

 theory, 285, 288, 292 

 by X-rays, 175, 293, 312 



X 



Nematodes, 212 

 Neomorphic, 137 



Nucleus and cytoplasm, interaction 

 of, 263 







Maize, 62, 94, 99, 115, 148-149, 280, 



303 

 Malva parviflora, 291 

 Mammals, abnormalities, 24-25, 43 



agouti hair, 220 



chemistry of color, 91 



piebald, 258 

 Mass mutation, 313 

 Maternal inheritance, 184, 207, 277, 



280 

 Matthiola, 280 

 Melanism, 210, 233, 250 

 Melopsittacus undulatus, 35 

 Merogony, 180, 267-268 

 Mespilus, 177-178 

 Modifiers, 168, 312 

 Molluscs, right- and left-hand coil- 

 ing, 206, 280 

 Molting hormone, 77, 221 

 Monsters, production of, 46 

 Mosaics, 174, 239 

 Mosses, species crosses in, 278 

 Mouse, 24, 25, 44, 49-51, 108, 115, 



161, 188, 214-215, 258 

 Multiple alleles, 12, 81, 84, 91, 114, 

 154, 191, 290, 293, 299, 303, 313 

 Multiple factors, 150, 161, 286 



Oats, color of, 150 

 Oenothera, 63-64, 69, 269 

 Optical colors of wing scales, 248 

 Organ-forming stuffs, 179, 205 

 Organizer, 190, 201-202, 208 

 Oryzias, 23, 259-260 

 Otocephaly, 50 

 Outlets of pigment, 245, 253, 258 



Papaver Rhoeas, 98 



Papilio centralis, 4 



Papilio dardanus, 130, 249, 255 



Papilio machaon, 4 



Papilio mimetic, 251 



Papilio podalirius, 4 



pupal wing of, 233 

 Papilio polymorphic species, 234 

 Papilio polytes, 130 

 Papilio sphyrus, 4 

 Papilio, tails on hind wings, 234 

 Papilio zanclaeus, 4 

 Parasemia, 250 

 Pattern, composite, 241 



crack, 261 



