AUTHOR AND SUBJECT INDEX 451 



Zonomyxa, 70, 230 Zootrophic nutrition, 35 



Zonomyxa violacca, 230, 231 Zooxanthellae, 93, 255 



Zoochlorellae, 247, 377 Zopf, 182 



Zoomastigina, 63 66, 84, 129-174 Zschokkelia, 75, 310 



Zoopurpurin, 23, 372 Zschokkelia hildae, 310 



Zoospore, 185 Zumstein's medium, 413 



Zoosporidae, 66, 178-179 Zygocystis, 74, 293 



Zoothamnium, 80, 395 Zygocystis cometa. 293 



Zoothamnium arbuscula, 394, 395 Zygote, 4, 52, 53, 56, 57, 110, 114, 269 



