736 



JouYJial of Agricultural Research 



Vol. XII 



Page 



Fruitpit 109 



Fulmer, H. L. (paper): Influence of Carbo- 

 nates of Magnesium and Calcium on Bac- 

 teria of Certain Wisconsin Soils 463-504 



Fumigation, organic compounds, toxicity to 



insect eggs 585-586 



Fungus, wood-rotting — 



cultural characters, identification by 63-64 



hymenium, influence of substratum on 



character of "6 



mycelium, density of 79 



pileus formation, influence of light on 77-78 



pore formation, influence of gravity on 78 



pore formation, influence of substratum on. 7S-79 



sporophore production 65-80 



Furfural, toxicity to insect eggs 581 



Fusarium vasmfectum — 

 causal organism of wilt disease of Abel- 



moschus esculentus 533-537 



description 536-537 



occurrence in okra- wilt 537-538 



parasitism 538-539 



Gas, carbon-dioxid, effect on soil solution . . . 384-385 

 Gasoline— 



toxicity to insect eggs 581-586 



use as anthelmintic 409-411 



Geranyl acetate, toxicity to insect eggs 581 



Germination, pollen, of Fragaria spp 637-641 



Gibbs, Joshua, cylindrical plow bottom, de- 

 scription iSi 



Gipsy moth. See Portketria dispar. 

 Gipsy-Moth Larvae as Agents in the Dissemi- 

 nation of the White- Pine Blister-Rust 



(paper) 459-462 



Goodale, H. D. (paper): Winter Cycle of Egg 

 Production in the Rhode Island Red Breed 



of the Domestic Fowl 547-574 



Gooseberry. See Rihes spp. 

 Gossypol — 



"acetate," toxicity 87 



toxicity to pigs 89-100 



toxicity to rabbits 8S-89 



Gossypol, the Toxic Substance in Cottonseed 



(paper) 83-102 



Graham, S. A., and Moore, W. (paper): Tox- 

 icity of Volatile Organic Compounds to 



Insect Eggs 579-5S7 



Gravatt. G. F., and Posey, G. B. (paper): 

 Gipsy-Moth Larvae as Agents in the Dis- 

 semination of the White-Pine Blister- 

 Rust 459-462 



Grain, cause of heating 6S5-6S6 



Guava. See Psidium guajava. 

 Guava, strawberry. See Psidium caitleianutn. 

 Gurjar, A. M., and Bailey, C. H. (paper): 

 Respiration of Stored Wheat ; . 685-713 



Haemonchus conlorius, in sheep, effect of 

 anthelmintics on 404 



Hall.M.C.and Foster, W.D., (paper): Effi- 

 cacy of Some Anthelmintics 397-447 



Harsch, R. M., and Long, W. H. (paper): 

 Pure Cultures of Wood-Rotting Fungi on 

 Artificial Jledia 33-82 



Hasselbring, Heinrich (paper): Behavior of 

 Sweet Potatoes in the Groimd 9-17 



Page 

 Hawaii, pa.xaisit<isol Ceraliiis capitata'm .... 103-108 



285-296 

 Hessian fly. See Mayetiola destructor. 

 Hclerakis papulosa, in poultry, effect of 



anthelmintic on 425, 439 



Hills, T. L. (paper): Influence of Nitrates on 



Nitrogen-Assimilating Bacteria 183-230 



Hoagland, D. R. (paper): The Freezing- 

 Point Method as an Index of Variations in 

 the Soil Solution Due to Season and Crop 



Growth 369^395 



Hoagland, D. R., and Sharp, L. T. (paper): 

 Relation of Carbon Dioxid to Soil Reac- 

 tion as Measured by the Hydrogen Elec- 

 trode 139-148 



Hog, toxicity of cottonseed to 89-100 



Holbrook, F. F., plow bottom, description. . 1S2 



Hollow-apple 132 



Holland, E. B., and Buckley, Jr., J. P. 

 (paper): Determination of Fatty Acids in 



Butter Fat 719-732 



Hookworm. See Ancylostoma; Bunosiomum 



trigonocephalu'in. 

 Hordeuni spp., relation to injury by Maye- 

 tiola destructor 519-527 



Humus — 



formation in mulched basins 507-513 



in soil, relation to orange production 513-516 



Humus in >Iulched Basins, Relation of 

 Humus Content to Orange Production, 

 and Effect of Mulches on Orange Produc- 

 tion (paper) 505-518 



Hybrid— 



Fragaria spp., aborted pollen 631-635 



Zea 7nays, new- place effect 231-243 



Hydrogen electrode — 



use in indicating soil reaction 19-31 



use in determining relation of carbon 



dioxid to soil reaction 139-148 



Hydrogen-ion concentration of soils . . 19-30, 139-146 



Incubation, effect on freezing-point depres- 

 sion 383-384 



Influence of Carbonates of JMagnesimn and 

 Calcium on Bacteria of Certain Wisconsin 

 Soils (paper) 463-504 



Influence of Nitrates on Nitrogen-Assimi- 

 lating Bacteria (paper) 183-230 



Insect eggs, toxicity of organic compounds 

 to 579-587 



Interrelations of Fruit-Fly Parasites in Ha- 

 waii (paper) 285-296 



lodobenzene, toxicity to insect eggs 581 



Iodoform, use as anthelmintic 405-406 



Ipoinoca batatis — 



composition, changes in ground 9-1? 



weevils aflecting 604-610 



Irish potato. See Solanum tuberosum. 



Irrigation Experiments on Apple-Spot Dis- 

 eases (paper) 109-138 



Jefferson, Thomas, plow bottom, descrip- 

 tion 173-174 



Jensen, C. A (paper): Humus in Mulched 

 Basins, Relation of Humus Content to 

 Orange Production, and Effect of Mulches 

 on Orange Production 505-518 



