1052 



Journal of Agricultural Research 



Vol. VI 



Page 

 Fly, Mediterranean fruit. See Ceratitis capi- 

 tate. 

 Food, comparative study of amount of, eaten 

 by parasitized and nonparasitized larva of 



Cirphis unipuncta 455-458 



Ford, A. L.. and Merrill, J. H. (paper) Life 

 History and Habits of Two New Nematodes 



Parasitic upon Insects 1 15-127 



Formaldehyde, treatment of mosaic virus with 658 

 Fowl, domestic, studies of the physiology of 



reproduction in the 977-1042 



Fragaria sp., pathological histology of, af- 

 fected by species of Botrytis and Rhizopus 361-366 

 Fred.E. B. (paper) Relation of Carbon Bisul- 



phid to Soil Organisms and Plant Growth . . 1-20 

 Fusarium — 



caudalum, isolation of 566 



coeruleum, parasite of Solatium tubero- 

 sum 183, 188-189 



effect of certain species of, on the composi- 

 tion of the potato tuber 183-196 



oxysporum — 



causal organism of potato wilt 573 



isolation of 566 



parasite of Solatium tuberosum 183-193 



radicicola — 

 causal organism of — 



jelly-end rot 305-306 



blackrot 304-305. 573 



western fieldrot of Solatium tuberosum . 297-310 



distribution of 299-300 



economic importance of. ... - 299-300 



■ field inoculation of Solatium tuberosum 



with 302-304 



inoculations of Solatium tuberosum with, 



in laboratory 300-302 



parasite of — 



Cucumis salivus 299 



Ipomoea batata's 299 



Populus deltoides 299 



Solatium tuberosum 183, 185-194. 297-310 



redolens, isolation of 566 



solani — 



parasite of — 



Colocasia esculenta 558-559 



Xantlwsoma sagittifolium 558-559 



temperature requirements of 568 



Irickothecioides — 

 causal organism of powdery-dryrot . 573, 817-832 



effect of planting seed infected with 822-824 



parasite of Solatium tuberosum 298 



parasitism of 819-822 



sp.— 



causal organism of jelly-end rot 573 



effect of — 



heat on 155, 159, 161 



on Colocasia sp 557-558 



parasite of — 



Alocasia sp 555 



Colocasia esculenta 554 



confusion with organisms causing leak. . . 636 



Gainey, P. I,., and Gibbs, W. M. (paper) 

 Bacteriological Studies of a Soil Subjected 

 to Different Systems of Cropping for Twen- 

 ty-five Years 9S3"975 



Page 

 Gardenia jasminoides, host plant of Dialeu- 



rodes citri 469 



Gas, exchange of, determination in calo- 

 rimeter 705-709 



Geranium. See Pelargonium spp. 

 Gibbs, W. M., and Gainey, P. L. (paper) 

 Bacteriological Studies of a Soil Subjected 

 to Different Systems of Cropping for Twen- 

 ty-five Years 953-975 



Glycine hispida, analysis of, for phosphorus . . . 494 

 Goldbeck, A. T., and Smith, E. B. (paper) 

 Tests of Three Large-Sized Reinforced-Con- 

 crete Slabs under Concentrated Loading . 205-234 



Gonidia, formation of, in cultures 694-696 



Gossypium spp. — 



character of injury to, by insects 129 



characters in breeding 435-436 



comparison of day and night injuries to. . 130 

 effect of — 



deformity upon fruiting of 137-138 



insect injury upon plants of 136-138 



field observations of insect injury to . . . 132-135 

 host plants of — 



Diplodia spp 152, 551 



Sclerotium rolfsii 559 



relation of climatic factors to insect in jury 



of ' 131-132 



Grantham. A. E.. and Groff, F. (paper) 



Occurrence of Sterile Spikelets in Wheat . . 23 5-2 50 

 Grapefruit. See C'trus decumana. 

 Grayrot, powdery — 



cause of 557 



description of 556-55 7 



inoculation experiments with 557-558 



Greaves, J. E. (paper) Stimulating Influence 

 of Arsenic upon the Nitrogen-Fixing Organ- 

 isms of the Soil 389-416 



Greaves, J. E., and Carter, E. G. (paper) 

 Influence of Barnyard Manure and Water 

 upon the Bacterial Activities of the Soil. 889-926 

 Groff, F., and Grantham, A. E. (paper) 



Occurrence of Sterile Spikelets in Wheat. 235-250 

 Guaiacum officinale, host plant of Aleuroih- 



rixus ftoccosus 466 



Guava. See Psidium guajava. 



Hard palates of cattle — 



method of cooking 641-642 



digestibility of 641-648 



Harrington, G. T. (paper) Agricultural 

 Value of Impermeable Seeds 761-796 



Harter, L. L. (paper) Storage-Rots of Eco- 

 nomic Aroids 549-572 



Haseman, L. (paper) Ornix geminatella, the 

 Unspotted Tentiform Leaf Miner of Apple 289-296 



Haw. See Crataegus sp. 



Hawkins, L. A. (paper) — 

 Effect of Certain Species of Fusarium in 



the Composition of the Potato Tuber. . 183-196 

 The Disease of Potatoes Known as ' 'Leak ' ' 62 7-640 



Hay, meadow, growth of, in Rock Creek 

 region 756-757 



Headley, F. B.. Curtis, E. W., and Scofield, 

 C. S. (paper) Effect on Plant Growth of 

 Sodium Salts in the Soil 857-869 



