566 



INTRODUCTION TO CYTOLOGY 



Wenrich, meiosis, 265, 266 



nucleolus, 118 



nucleus, 49 



vacuoles, 42 

 Went, 19, 95, 97 

 Wermel, 52, 120, 195 

 Werner, 381 

 West, 196, 278 

 von Wettstein, apomixis, 402 



cell size, 357 



cell wall, 176 



cytoplasmic heredity, 418, 419 



gametophytic characters, 307, 355 



heteroploidy, 340, 343, 405 



polyploid moss hybrids, 371, 405, 408 



sex in algffi, 386 

 Wetzel, 71, 91 

 Wherry, 59 

 White, 289 

 Whiting, A. R., 395 

 Whiting, P., 311. 382, 395 

 Whitman, 21, 425, 436, 438. 439 

 Whitney, 399. 410 

 Whong, 18 

 Wieman. 379 

 Wierzyski, 240 

 Wiesner, 93, 176, 177, 178 

 Wigoder, 187 



Wikstrannia (angiosperm) . 345, 402, 407 

 Wilcox, 387 

 Wildeman, 111 

 Wille, 16 

 WiUems, 272 

 Williams, J. L., 227, 280 

 Williams, M., 186, 188, 190, 197, 279 

 Williamson, 158, 230, 281, 387 

 Willstatter, 64, 68 

 Wilson, E. B., amitosis. 183 



aster. 154 



cell-division, historical, 439 



centrosome, 153. 155 



chondriosomes. 86, 88 



chromatin, 55 



chromidia, 195 



chromosomes, and heredity, 286, 291, 292 

 somatic, 121. 125 



cytology and genetics, 445 



cytoplasmic heredity, 420 



epigenesis, 425 



flagellum, 223 



individuality of chromosomes, 145 



karyosome, 189 



meiosis, 256, 265, 268, 272 



mitosis, 159, 160, 164 



nucleoplasmic ratio, 51 



organismal theory, 22 



parthenogenesis, 412 



protoplasm, 31, 32, 93 



sex-chromosomes, 376, 379 



spermatogenesis, 213, 215 



syngamy, 239-245, 248 



Weismannism, 442 

 Wilson, H. v., 6 

 Wilson, M., 201, 203 



Winge, alloheteroploidy, 369 



amphidiploidy, 367 



apomixis, 408 



chromosome number, 124 



factor combinations, 292 



galls and tumors, 186, 187 



heteroploidy, 343, 347, 348 



Hnkage, 391, 392 



myxomycete. 190 



sex-chromosomes, 378, 381, 389, 390, 393 



variegation. 415. 416 

 de Winiwater. 58, 256, 266, 378, 379 

 Winkleman, 188, 311 

 Winkler, apomixis, 100, 401, 402, 407 



altered chromosomes, 186 



heredity, 286 



heteroploidy, 340, 358 



grafting, 344 



nuclear phases, 122 



nucleoplasmic ratio, 51 

 van Wisselingh, 58, 176, 177 

 Witschi, 376, 397, 398 

 Wodehouse, 180 

 Wodsedalek, 376 

 Wolff, 425 

 Wolfson, 382 

 WoUenweber, 66 

 Wood, F. M., 177, 179 

 Wood fiber, 12, 13 

 Woodburn, 201, 233 

 Woodger. 78. 88. 220 

 Woodruff, 49. 246 

 Woodward, 249 

 Woodwardia (fern), 405 

 Wortmann, 16 

 Woskressensky, 295 

 Wound hormone, 409 

 Wounding, 185, 186 

 W6ycicki, crystals, 101 



cytokinesis, 167, 168 



elaioplast, 66 



gonomery, 236 



gymnosperm egg. 206 



meiosis in fungus, 281 



plastids, 71 



pollen tube, 42, 210 

 Wu, 51, 58 

 Wuist. 386 

 Wurdack. 177 

 Wygaerts. 55, 140, 142 

 Wylie, 210. 236 

 Wyman, 87 



X-chromosome, 304, 376 ff. 

 X-ray analysis, of cell wall, 178 



of chromosome, 317 ff. 



of starch granules. 99 

 X-ray effects, on chromosomes, 186, 187, 273 



on crossing-over, 302 



and inversion, 320 



on mutation, 311 



and translocation, 317, 318, 321 

 Xanthophyll, 64 



