966 



PROTOZOOLOGY 



X-irradiation, 197, 239 

 Xanthophyll, 90, 306 

 Xenotis megalotis, 655 

 Xiphocaridina compressa, 794 

 Xylophagous Protozoa, 369, 378, 381, 

 404 



Y 

 Yatren, 452 

 Yeast, 443, 639 

 Yellow throat, 617 



Zannichellia, 418, 434 

 Zelleriella, 8, 688 



antilliensis, 688 



elliptica, 166, 687, 688 



hirsuta, 688 



scaphiopodos, 688 

 Zonomyxa, 481 



violacea, 481 

 Zooamylon, 112, 528 

 Zoochlorellae, 29, 108, 507, 703, 739, 

 744, 767, 770, 806, 807, 814, 815, 

 834 



Zoomastigina, 23, 256, 333-414, 884- 



886 

 Zoopurpurin, 46, 81 

 Zootermopsis anguslicollis, 377, 390, 

 412, 543, 545 

 laticeps, 391, 412 

 nevadensis, 377, 391, 

 412, 543, 545 

 Zoothamnium, 39, 62, 857 

 adamsi, 856, 857 

 arbuscula, 856, 857 

 Zootrophic nutrition, 88, 97-107 

 Zooxanthellae, 29, 108, 274, 517, 844 

 Zostera, 418 



marina, 418 

 Zschokkella, 657 



hildae, 657 

 Zygocystidae, 531, 534-535 

 Zygocystis, 534 



wenrichi, 534, 535 

 Zygosoma, 543 



globosum, 542, 543 

 Zygote, 182, 183, 186, 529, 571, 599, 



601 

 Zyrphaea crispata, 782 



