1198 
Journal of Agricultural Research 
Vol. V 
Page 
Gile, P. L., and Carrero, J. O. (paper), Ash 
Composition of Upland Rice at Various 
Stages of Growth.357-364 
Giltner, W., and Lang worthy, H. V. (paper), 
Some Factors Influencing the Longevity of 
Soil Micro-organisms Subjected to Desicca¬ 
tion, with Special Reference to Soil Solu¬ 
tion.. 927-942 
Ginseng. See Panax quinquefolium. 
Glomerella rufomaculans, effect of low tem¬ 
perature on. 652 
Glycine — 
hispida , absorption of boron by.883-884 
soja — 
composition of seeds of. 1162 
effect of green manure on germination 
of. 1164-1166 
Goat, effect of diuretics on milk flow of- 561-567 
Goldbeck, A. T. (paper). Apparatus for Meas¬ 
uring the Wear of Concrete Roads. 951-954 
Gossypium — 
herbaceum — 
composition of seeds of. 1162 
effect of— 
fungi on germination of. 1172-1174 
green manure on germination. 1163- 
1167,1170 
heat on germination of. 1170-1171 
temperature on germination of. 1168, 
1170-1171 
time of planting on germination of. 1164-1165 
spp.— 
toxicity of seeds of. 261-262 
yields of, in North Carolina soils. 578-580 
Gossypol— 
acetate, crystalline, toxicity of. 273-278 
extract, toxicity of. 266-267 
method of— 
feeding. 265,267-270 
preparation. 262-263 
occurrence of. 264-263 
oxidized, toxicity of. 278-281 
post-mortem observations of, effects of ad¬ 
ministering. 270,273-275 
precipitated, toxicity of. 271-272 
properties of. 264-265 
Gossypol, the Toxic Substance in Cottonseed 
Meal (paper). 261-288 
Gramineae, effect of sulphur on. 245-247 
Grape, wild. See also Vitis cordifolia. 
Grasshopper, carrier of Cercospora personata 898-900 
Green manure. See Manure, green. 
Gymnosporangium, an Asiatic species of, es¬ 
tablished in Oregon. 1003-1010 
Gymnosporangium — 
asiaticum , hyponym, Gymnosporangium 
koreaense. 
Blasdaleanum , economic importance of 1007-1008 
chinense , syn. Gymnosporangium koreaense . 
Haraeanum — 
parasite of Juntperus ckinensis . 1005 
syn, Gymnosporangium koreaense. 
japonicum , syn. Gymnosporangium korea¬ 
ense. 
juniperi-virginianae , economic importance 
of. 1007-1008 
Gymnosporangium —Continued. Page 
koreaense — 
description of. 1006-1007 
economic importance of. 1007-1008 
photiniae — 
description of. 1007 
economic importance of. 1008 
Harding, S. T. (paper), Experiments in the 
Use of Current Meters in Irrigation 
Canals. 217-232 
Harris, Frank S. (paper), Effect of Alkali 
Salts in Soils on the Gehnination and 
Growth of Crops. 1-53 
Hart, E. B., and Tottingham, W. E. (paper). 
Relation of Sulphur Compounds to Plant 
Nutrition. 233-250 
Harter, L. L. (paper), Sweet-Potato Scurf. 787-791 
Hasselbring, H., and Hawkins, L. A. (paper): 
Carbohydrate Transformations in Sweet 
Potatoes. 543-560 
Respiration -Experiments with Sweet 
Potatoes. 509-517 
Hawkins, L. A., and Hasselbring, H. (paper): 
Carbohydrate Transformations in Sweet 
Potatoes. 543-560 
Respiration Experiments with Sweet 
Potatoes. 509-517 
Hawthorn sawfly leaf miner. See Profenusa 
collar is. 
Headden, W. P. (paper), Occurrence of 
Manganese in Wheat. 349“355 
kHeartrot— 
honeycomb— 
character of, in Quercus alba .422-424 
distribution of.427-428 
in Quercus spp...421-428 
resemblance to other rots. 424-425 
pocketed. See Honeycomb heartrot. 
Hedgcock, G. G. (paper), Parasitism of 
Comandra umbellata. 133-13 5 
Hedgcock, G. G., and Long, W. H. (paper), 
Two New Hosts for Peridermium pyri- 
forme. 289-290 
Helianthus — 
annuus — 
composition of seeds of. 1162 
effect of green manure on germination of. 1162 
divaricaius , host plant of Plasmopara 
halstedii . 65,66,67 
Heliopkila unipunctata, host of Apanteles 
militaris . 49 
Heliothis obsoleta , agency in dissemination of 
Cercospora personata . 898-899 
Hemiptera, agency in dissemination of 
Cercospora personata . 898-901 
Hemp. See Cannabis sativa. 
Hepatica acutiloba , host plant of Plasmopara 
pygmaea . 67 
Herrick, G. W., and Matheson, R. (paper), 
Observations on the Life History of the 
Cherry Leaf Beetle. 943 - 95 ° 
Heterogeneity, soil, in variety tests, method 
of correcting for. 1039-1050 
Hibernation of Phytophthora infestans in the 
• Irish Potato (paper). 71-102 
Hieracium venosum, host plant of Comandra 
umbellata . 134 
