Subject Index 559 



molting, 405 



phenocopies, 257 



pleiotropy, 395 



polyspermy, 54, 208 



scales, 293 flF., 299, 305, 395 



seasonal polymorphism, 265 fF. 



silk glands, 295 



sperm motility, 442 



temperature experiments, 257 B. 



triploid intersexes, 338, 431 



wing pattern, 257, 265 flF., 371 

 Liesegang rings, 313, 418, 420 

 Linum, 217 

 Liverworts, 490 

 Lymantria dispar 



balance of sex factors, 92, 336 ff., 

 425 ff., 474 



cytoplasmic heredity, 93, 199, 200, 

 205 ff., 208, 210, 214 ff. 



genital armature, 428, 458 



geographic variation, 479 



heterochromatin, 92, 368 



Hokkaido replacement experiments, 

 429, 447 



intersexuality, 67, 92, 93, 200, 216, 

 336 ff., 368, 406, 425 ff., 456 



molting, 406 



mosaic development, 94, 336 



multiple crosses, 216, 429, 447 



potency of sex factors, 339 



predetermination, 200 



temperature experiments, 428 



time law of intersexuality, 94, 338 



Y-chromosome, 91 ff., 199, 200, 216, 

 336 ff., 428 ff., 446, 467, 474 

 Lymantria monacha 



industrial melanism, 357, 479 



pigment factors, dosage, 357, 360 



sex chromosomes, 468 



variegation, 153 



Macromutation, 490 



Macronucleus. See Paramecium; Stentor 



Maize 



aleuron color, 146, 383, 400 



anthocyanin, 146, 147, 155 



breakage-fusion-bridge cycle. 145. 

 147, 148, 150 



chromosomes, 33, 145 



corn grass, 490 



cytoplasmic heredity, 209, 232 



deficiency, 141, 142, 156, 157 



dominants, 353 



dosage, 33, 383 



Ds factor, 148 ff., 155 



Dt factor, 81, 147, 155, 156 



endosperm, 33, 383 



heterochromatin, 81, 151 ff. 



jojap, 236 



macromutation, 490 



mutable loci, 145 ff., 153 



mutator, 145, 147, 148, 150, 151, 

 236 



plastids, 232, 233, 236 



point mutation, 156 



pollen sterility, 209, 236 



position effect, 81, 126, 127, 132, 

 142, 147, 149 ff., 156, 400 



r-loci, 398 



rearrangements, 145, 148 



reverse mutation, 107, 149, 153 



sex determination, 452 



subgenes, 398 



variegation, 81, 146, 149, 151 ff., 

 155, 232, 236 

 Maternal inheritance, 195, 197 



in Drosophila, 89, 93 



in Lymantria, 92, 198, 199 



in silkworm, 198, 199 



in snails, 198, 199 

 Mating type, 237 

 Meiosis 



aphids, 224, 238, 290, 465 



environmental control, 238, 465, 

 466 



genie control, 466 



plasmatic control, 238 



Talaeporia, 238, 465 

 Melandrium. See Sex 

 Melanin, 248, 249 

 Meristem, 290 

 Merogony 



Amphibia, 214 



basidiomycetes, 215 



sea urchin, 214 

 Microevolution, 479 

 Microsomes, 306 ff., 329 

 Minutes. See Drosophila 

 Mitochondria, 196, 203, 209, 210, 218, 

 236, 237, 240 ff., 308, 315, 330 



aphids, 224, 238, 290 



Ascaris, 208 



plastids, 197, 229, 230, 237 



yeasts, 207, 224, 225 

 Mitosis, intranuclear, 298 

 Molecular ecolog>, 314 ff., 323 

 Monoecism 



genetics, 436 ff., 443 ff., 470 



