538 



SUBJECT INDEX 



Verticillhnn 



cinnamomeum, 449 



glaucum, 435 



heterocladiwn, 446-447 

 Vesicle, 303 

 Vetch, 403 

 Vibrio cholerae, 87 

 Vicia faba, 240 

 Violaceae, 298 

 Viridin, 88 

 Viruses, 443, 448 



Vitamins, 81-82, 88, 266, 280, 288, 

 325, 331, 379 



Vitamin A, 82 



Vitamin B complex, 325 



Vitamin B,, 25, 26, 27, 28, 41, 66, 

 82, 288 



Vitamin B 4 , 82 



Vitamin D, 81 



Vitamin H, 289 

 Vol ut el Ha jructi, 104 

 Volva, 343, 344, 341 



Warburg respirometer, 64, 66 



Wasps, 172, 173, 175, 443 



Wasting disease of Zostera, 460, 



466 

 Water, 211, 218-221 

 "Water molds," 430, 431 

 Watermelon, 401, 403, 410, 412 

 Weather, 210 

 Weevil, 454 



Wheat, 108, 145, 168, 169, 257, 267, 

 270, 271, 303, 359, 405, 419 



Ceres, 271 



durum, 271 



flag smut, 405 



Kanred, 334 



Marquillo, 269 



.Marquis, 269 



.Mindum, 241, 335 



rust, 239, 251 



stem rust, 266 



Thatcher, 271 



vulgare, 2 "2 

 White ants, 454 

 White flies, 449, 450 

 White-pine blister rust, 177 



White rot of woods, 44 

 Willow scab, 177 

 Wilting, 361 

 Wine, 53, 54 



Wood-destroving fungi, 98-103, 

 436 

 enzymes, 43^8 

 Woodpeckers, 176 

 Worm, horn, 174 

 Wort, 430 



Wound penetration, 251-252 

 M T oJ7iowicia graminis, 282 

 Wuchereria bancrofti, 442 



Xanthone, 84 



X-rays, 123, 124, 145, 146, 325, 335 



Xylaria 



hypoxylon, 138 



viicrttra, 452 



nigripes, 454 

 Xyleborzis dispar, 451 

 Xylomites 



astertformis, 483 



polar is, 487 



zamitae, 487 

 Xylose, 18, 21, 79, 80 



Yeast, 27, 28, 43, 54, 55, 61, 62, 66, 

 69, 76, 77, 82, 144, 147, 270, 

 288, 289, 325, 365 



baker's, 268 



brewer's, 268 



Zignoella 



calospora, 469, 412 



enormis, 469 

 Zinc, 3, 7, 10, 11, 14-16, 289 

 Zonation, 114, 127-129 

 Zootermopsis angiisticollis, 175 

 Zostera, 460 



marina, 466, 461, 469, 470, 473 

 Zygorhynchus, 431 



'mblleri, 26, 145, 433 



vuilleminii, 432, 433 

 Zvgosaccharomvces acidifaciens, 290 

 Zygote, 318 



Zymase, 40, 42, 57, 58, 390 

 Zymonema dermatitidis, 369 



