INDEX 



U0< 



Vitality, measure of, 2 IN 



of parent and offspring scries, 

 Table, p. 330 

 Volutin grains, 69, 72 

 von Leeuwenhoek, discovery of Proto- 

 zoa, 17 

 Vonwiller, protoplasmic structure, 43 

 Vorticella, frontal field, 169 

 structures, Fig. 86, p. 158 

 type, Fig. 86, p. 158 

 Vorticellidae, fertilization, 279; Fig. 

 143, p. 280 

 Key, 522 



W 



Wagnerella, axial filaments, 122 



borealis, division, 213 

 Wailes, Pseudogromiinae, Key, 469 

 Walker and Sellards, dysentery, 393 

 Wallengren, reorganization in ciliates, 



221 

 Washburn, tropisms, 181 

 Weatherby, uric acid, 177 

 Weininger, sex, 272 



Weinland, anti-digestive ferments, 359 

 Weismann, amphimixis, 329 

 germ and soma, is 

 Life and Death, 24S 

 Wenrich, Actinobolina vorax, 162 

 Wenyon, grouping of trypanosomes 

 according to site in insect, 382 

 kinetoplast, 114 

 Wenyon and O'Connor, Endolimax 



nana, 397 

 Werbitzski, enduring modification in 

 Trypanosoma, 344 

 trypanosomes without kinetonu- 

 cleus, 114 

 Wetzell, cavulae, 42 

 Whitman, inadequacy of term cell, 19, 



40 

 Whitmore, dysentery, 393 



Trimastigamoeba philippinensis, 

 107 

 Willis, reaction of fragments, 183 

 Wilson, division of granules, 208 

 Wilson, C, Dimastigamoeba gruberi, 



107; Fig. 59, p. L08 

 Winter, chromidia, 69 

 Woithe, endotoxins in Trypanosoma, 



198 

 Wolff, soil Protozoa, 354 

 temporary cysts, 267 



Woodcock, kinetonucleus, 112 



and Lapage, copulation in flagel- 

 lates, 276 

 Woodruff, effects of excretion products, 

 200 

 isolation cultures, 250 

 rejuvenescence after endomixis, 



340 

 succession of Protozoa, 23 

 survival value of conjugation, 333 

 Woodruff and Erdmann, endomixis, 317 



parthenogenesis, 251 

 Woodruff and Spencer, rejuvenescence 

 in Spathidium, 332 

 sensing, 189 



Spathidium, vitality, 252, 255 

 Wortmann, cellulose digestion in Fora- 



minifera, 199 

 Wright, organism of tropical ulcer, 369 



Yocom, myophanes and neurophanes, 



128 

 Young, cirrus regeneration, 164 



endomixis and environment, 340 

 merotomy in Uronychia, 225, 263 



ZOOMASTIGOPHORA, 412, 121 



Zoosporidae, 444 



Key to genera, 461 

 Zoothamnium alternans, 21 



arbuscula, 21 

 colony, 38 



contraction, 125 

 Zuelzer, chromidia, 70 



division of Wagnerella, 213 



enduring modification in Ameba, 

 343 



environment effects, 1 78 



Wagnerella, 122 

 Zumstein, amino-acid nutrition, 200 

 Zweibaum, chondriome, 75 



disorganization significance, 31 1 



protoplasmic make-up at conjuga- 

 tion, 290 

 Zygocystidae, Key, 559 

 Zygocystis zonula, caudal threads, 536 

 Zygote, defined, 529 



