6 i6 
Journal of Agricultural Research 
Vol. XIV 
Page 
Erysiphe graminis DC., biologic forms of, on 
genus Bromus broken down by use of 
bridging hosts. na 
Estigmene acraea, female, at light traps..., 136-138 
Eugenia — 
jambos , food plant of Ceratitis capitata _606-608 
uniflora , food plant of Ceratitis capitata ... 606-608 
Euproctis ckrysorrhoea — 
distribution. 191 
female, at light traps. 145,148 
host of— 
Apanteles lacteicolor . 191-206 
Meteorus versicolor . 191-206 
life history. 191-192 
parasite of— 
Malus sylvestris . 191-192 
• Prunus spp... 191-192 
Pyrus communis ..,....191-192 
Quercus spp. 191-192 
Eutetrix tenella — 
nonvirulent as to curly-top...393-394 
transmission of curly-top of Beta vulgaris 
by. 393-394 
Fagopyrum esculentum, salt requirements in 
culture solutions.. 151-17 5 
Faustrime, resistance to Citrus-canker. 348 
Faustrimon, resistance to Citrus-canker. 348 
Feed- 
cow's, value of Sudan-grass hay as. 176-185 
poultry, Southern, mineral content of_ 12 5-134 
Feltia spp., female, at light traps.. 136-144 
Female Lepidoptera at Light Traps 
(paper). 135-149 
Feronia Limonia, resistance to Citrus-canker. 341 
Feroniella lucida , resistance to Citrus-canker. 341 
Feroninae, susceptibility to Citrus-canker_ 341 
Filtrate, toxic culture, value in immunization 
against blackleg. 261-262 
Flax. See Linum usitatissimum. 
Fly, fruit, Mediterranean. See Ceratitis capi¬ 
tata. 
Fortunella — 
crassifolia, resistance to Citrus-canker... .342-343. 
kindsii, resistance to Citrus-canker. 343 
margariia, resistance to Citrus-canker. 342 
Fowl— 
mineral requirements of. 125-134 
See Poultry. 
Fred, E. B., and Davenport, A. (paper): In¬ 
fluence of Reaction on Nitrogen-Assimilat¬ 
ing Bacteria. 317-336 
French cherry. See Eugenia uniflora. 
Fruit, Citrus, susceptibility to Citrus-can¬ 
ker. 344-348 
Fruit fly, Mediterranean. See Ceratitis capi¬ 
tata. 
Fusarmm spp., causal organisms of stem le¬ 
sions of Solanum tuberosum . 213-220 
Fusarium-rot on corn. 611 
Gaessler, W. G., and McCandlish, A. C. 
(paper): Composition and Digestibility of 
Sudan-Grass Hay. 176-185 
Gainey, P. L. (paper): Soil Reaction and the 
Growth of Azotobacter.. 265-271 
Galls occurrence in— 
crucifers. S77“S94 
Populus spp. 577-594 
Page 
Garber, R. J., and Amy, A. C. (paper): Vari¬ 
ation and Correlation in Wheat, with Spe¬ 
cial Reference to Weight of Seed 
Planted. 359^392 
“Germ-free vaccine.” See Vaccine, germ- 
free. 
Gibberella spp. on old cornstalks. 611 
Gillette, C. P. (paper): Descriptions of Stages 
of Pemphigus populi-lransversus and Its 
Gall. 589-59* 
Giltner, L. T. (paper): Occurrence of Coccidi¬ 
oidal Granuloma (Oidiomycosis) in Cat- 
116 .-. 533-542 
Glycosmis pentaphylla, resistance to Citrus- 
canker. 340 
Gossypium spp., effect of subsoiling in Great 
Plains on. 484-504 
Gossypol, toxicity..425-452 
Gramineae spp., resistance of seeds to desicca¬ 
tion. 526-532 
Grapefruit. See Citrus grandis. 
Grass— 
blue, Kentucky. See Poa pratensis. 
Johnson. See Holcus halePensis. 
Sudan— 
composition of hay. 176-185 
digestibility of hay. 176-185 
yield for hay. 176 
See Holcus halepensis sudanensis. 
Great Plains— 
effect of— 
deep tilling in. 505-517 
soil dynamiting in. 505-517 
subsoilingin.481-521 
Grossularia spp.— 
injury by Cronartium occidentale .422-423 
inoculation with Cronartium occidentale .. 419-420 
Guava— 
strawberry. See Psidium cattleianum. 
See also Psidium guajava. 
Guinea pig, susceptibility to coccidioidal 
granuloma. 536-537 
Gypsum, effect on water-soluble potash. 61-66 
Halisidota — 
caryae , female, at light traps. 147-148 
tessellaris , female, at light traps. 136-139 
Hardy, J. I. (paper): Influence of Humidity 
upon the Strength and the Elasticity of 
Wool Fiber. 285-296 
Harrington, G. T., and Crocker, W. (paper): 
Resistance of Seeds to Desiccation.525-532 
Harter, L. L- (paper): A Hitherto Unre¬ 
ported Disease of Okra. 207-212 
Hartley, C. (paper): Stem Lesions Caused by 
Excessive Heat. 595-604 
Hasselbring, H. (paper): Effect of Different 
Oxygen Pressures on the Carbohydrate Me¬ 
tabolism of the Sweet Potato. 273-284 
Hawaii, Mediterranean fruit fly during 
1917 m. 605-610 
Hedgcock, G. G., Bethel, E., and Hunt, 
N. R. (paper): Pinon Blister-Rust.411-424 
Helianthus annuus t effect of deep tilling in 
Great Plains on. 508-517 
Hemileuca oliviae, female, at light traps.... 146,148 
