July 7-Sept. 39.1933 
Index 
505 
Tomato—Continued. Page 
inoculations with potato mosaic. 88-89 
Tottinsrham. W. R.: Temperature Effects hi 
Plant Metabolism . 13-30 
Transmission, Variation, and Control of Cer¬ 
tain Degeneration Diseases of Irish Pota¬ 
toes: E. S. Schultz and Donald Folsom... 43-118 
Twinning and Monembryonic Development 
of Platygaster niemalis, a Parasite of the 
Hessian Fly, The: R. W. Eeiby and C. C, 
Hill. 337 - 3 SO 
Undescribed Orange Pest from Honduras, 
An: A. C. Baker. 253-359 
Vermont, potato foliage diseases, conditions 257-363 
Virginia, clover bacterial leafspot, character¬ 
istics. 486,487 
Vitamins in palm-kernel meal, growth-pro¬ 
moting value. 165-169 
Weimer, J. I,, and Harter, E. E.: Hydrogen- 
Ion Changes Induced by Species of Rhizopus 
and by Botrytis cinerea . 155-164 
Wheat— 
fertilizers, experiments in control of Ophio- 
bolus carrnti .354-356 
Wheat-Continued. Page 
stripe rust, susceptibility of wheat varieties 
to experiments. 371-399 
take-all disease— 
relation to weakened plants, and control 351-358 
soil treatment for control of.354-356 
Willard, H. F.: Work and Parasitism of the 
Mediterranean Fruit Fly in Hawaii during 
1919 and 1930 . 1-7 
Williamson, M. M., Jones, E. R., Wolf, F. A., 
McCulloch, Eucia: Bacterial Eeafspot of 
Clovers. 471-490 
Williamson, M. M., and Tisdale, W. B.: 
Bacterial Spot of Eima Bean. 141-154 
Wisconsin, clover bacterial leafspot, char¬ 
acteristics. 486-487 
Wolf, F. A., Jones, E. R., Williamson, M. M., 
and McCulloch, Euda: Bacterial Eeafspot 
of Clovers. 471 - 49 * 
Work and Parasitism of the Mediterranean 
Fruit Fly in Hawaii during 1919 and 1920: 
H. F. Willard. x-8 
Wounds, plant, relation to crowngall infec¬ 
tion. 120-123 
O 
