6l2 



Journal of Agricultural Research 



Vol. xvin 



Page 

 Fusarium — Continued 



spp., effect of dry heat 381-390 



tricholhecioides , temperature relations 512-524 



Galactans in juice of Sorghum vulgare 16-22 



Gamer, W. W., and Allard, H. A. (paper): 

 Effect of the Relative Length of Day and 

 Night and Other Factors of the Environ- 

 ment on Growth and Reproduction in 



Plants 553-606 



Germination of Barley PoUen (paper) 525-535 



Gibberella saubinetii, effect of dry heat 381-390 



Globulins, protein in Zca mays 391 



Glumerot of wheat, basal 543-552 



Glutelin, protein in Zea mays 39i 



Glycine hispida, host of Bacterium glycineum. 179-194 



GlycocoU in juice of Sorghum vulgare 21-22 



Goldenrod. See SoUdago juncea. 

 Gossypium hirsutum, young seedlings, host 



of Sclerotium rolfsii 127-128 



Grass — 

 barnyard. Echinochloa crusgalli. 

 Bermuda. See Capriola dactylon. 

 quack. See Agropyrum repens. 

 rye. Elymus canadensis. 

 slough. Spartina m.ichauxiana. 



Sudan, cyanogenesis 447-450 



Grasshoppers, nymphs and adults, experi- 

 mental hosts of Soros porella uvella 432 



Grindley, H. S., and Bull, Sleeter (paper): 

 Nitrogen Metabolism of Two- Year-Old 



Steers 241-254 



Grubs, white. See Lachnosierna spp. 

 Guava — 



strawberry. See Psidium calileianum. 

 See Psidium guajava. 

 Gypsum, effect on tolerance of white lupine 



and alfalfa for toxic salts 273 



Halisidola tessellaris at light traps 477-481 



Harlan, Harry V., and Anthony, Stephen 

 (paper): Germination of Barley Pollen .. . 525-535 



HarpyiaborealisatViEhtttaps 477-481 



Harrisina americana atlight traps 478-481 



Harvey, Rodney B., and Hawkins, Lon A. 

 (paper): Physiological Study of the Para- 

 sitism of Pythium debaryantmi Hesse on 



the Potato Tuber 275-298 



Hawkins, Lon A., and Harvey, Rodney B. 

 (paper): Physiological Study of the Para- 

 sitism of Pythium debaryanum Hesse on 



the Potato Tuber 275-298 



Hay, clover, in rat ion of two-year-old steers. 241-254 



Heat, dry, effect on cereal seeds 379-390 



Heinrich, Carl (paper): Note on the European 

 Com Borer (Pyrausta nubilalis Hubner) 

 and Its Nearest American Allies, wiih De- 

 scription of Larvae, Pupae, and One New 



Species 171-178 



Hehnin thosporium — 



azenae-saiitae, effect of dry heat 387-390 



gramineum., edect of dry heat 387-390 



iatizum, effect of dry heat 381-390 



spp.,effectof dry heat 381-390 



teres, effect of dry heat 387-390 



Helminthosporium leafblotch of oats, effect 



of dry heat 387-390 



Hemp. See Cannabis satiza. 



Hempweed, climbing. See Mikania scandens. 



Page 

 Hibiscus mosckeutos, effect of relative length 



of day and night 566 



Hoagland, D. R. (paper): Relation of the 

 Concentration and Reaction of the Nutrient 

 Medimn to the Growth and Absorption of 



the Plant 73-117 



Holm,G. E.,etal. (paper): Notes on the Com- 

 position of the Sorghum Plant 1-31 



Hood, Clifford E., and Collins, C. W. (paper): 

 Life History of Eubiomyia calosomae, a 

 Tachinid Parasite of Calosoma Beetles.. 483-497 

 Hops. See Humulus japonicus. 

 Hordeum £pp. — 

 analysis at successive stages of growth. . . . 55-72 



bacterial blight, effect of dry heat 386-390 



germination of pollen 525-535 



host plant of Oscinis frit 471 



Hiunidity, effect on apple-scald 21 1-2 12 



Humulus japonicus, effect of relative length 



of day and night 555 



Hydrangea pani, host of Sclerotium, rolfsii. . . . 128 

 Hydrate — 



calcium, toxity to citrus seedlings 271 



sodium, toxity tocitrus seedlings 271 



Hydrocyanic acid. See Acid, hydrocyanic. 

 Hydrogen-ion concentration of — 

 nutrient solutions, effect of plant absorp- 

 tion IOI-H7 



potato juice, effect on growth of Pythium 



debaryanum 281 



Hyphantria — 



cunea, larva, not attacked by Eubiomyia 



calosomae in experiment 495 



textor — 



at light traps 477-481 



experimental host of 5oroi/>of£i/awt;e//a. 432-436 



Hypoprepia miniata at light traps 477-481 



Ice-water method of measuring acidity of 



cereal products 33-49 



Indian almond. See Terminalia catappa. 

 Invertase Activity of Mold Spores as Affected 

 by Concentration and Amount of Inocu- 

 lum (paper) 537-542 



Iris florentina, effect of relative length of day 



and night 598 



Iron sulphate in poultry rations 394 



Ironweed. See Vernoniancmeboracensis. 

 Isaria farinosa, production of cylindrical 



conidia 414-415 



Isia Isabella at light traps 477-481 



Johnson, A. G., and Atanasoff, D. (paper): 



Treatment of Cereal Seeds by Dry Heat. .379-390 

 Kamani. See Calopbyllum inophyllum. 

 Kennard, D. C, et al. (paper): Meat Scraps 

 versus Soybean Proteins as a Supplement 



to Com for Growing Chicks 391-398 



Kentucky bluegrass. See Poa pratensis. 

 Kopeloff, Nicholas, and Byall, S. (paper): 

 Invertase Activity of Mold Spores as 

 Affected by Concentration and Amount of 



Inoculum 537-542 



Kopeloff, Nicholas, and Kopeloff, Lillian 

 (paper): Do Mold Spores Contain En- 



zyms 195-209 



Lachnostetna — 

 sp., larva, not attacked by Eubiomyia cal- 

 osomae in experiment 495 



spp., experimental hosts of Sorosporella 

 ■uvella 4i9> 433 



