1917] 



INDEX OF SUBJECTS. 



951 



Gooseberry mildew— Page. 



notes 550 



treatment 351 



Gopher, pocket — 



life liistory and control , Cal 757 



notes 355 



Gossypium spp. — 



in Italian Somaliland 336 



leaf nectaries '^27 



Gossypol, notes, N.C 689 



Gout, metabolism in 167 



Grain- 

 aphis, spring, outbreak in Kansas 561 



bins, concrete, construction 7S9 



bins, sanitation, Ohio 895 



for drylands of central Oregon, U.S.D.A . 333 



germinated, diastatic activity 208 



irrigation experiments, Oreg 84 



marketing, U.S.D.A 889 



moth, Angoumois, studies 356 



pedigreed, yields in Wisconsin 438 



prices and movement in 1916 492 



production in United States 595 



smut, investigations. Mo 749 



varieties 533 



winter and spring, distribution in United 



States 533 



{See also Cereals and special crops.) 

 Gram- 

 as a green manure for rice 824 



culture experiments 734, 825 



green manuring experiments 734 



varieties 824,825 



Granulomata, habronemic, in horses 279 



Grape— 



anthracnose, notes 453 



berry moth, remedies, U.S.D.A 852 



cake, fertilizing value 426 



court-nou^, treatment 152 



curculio, notes 58 



disease in California 352 



diseases in northern Italy 52 



diseases, notes 550 



diseases, relation to fog 152 



downy mildew, studies 151, 152,251 



downy mildew, treatment 152, 246 



gray rot on figs 457 



gray rot, studies 47, 350 



juice, pasteurization and biorization 805 



leaf roU, treatment 246 



powdery mildew, treatment 152, 843 



red scald, notes 555 



root-borer, notes 58 



stocks, root systems of 43 



Grapefruit juice, preparation, Fla 313 



Grapes— 



aphids affecting, U.S.D.A 358 



as affected by asphyxiating gas 153, 253 



breeding 449 



cambial activity 127 



culture at Paarl viticultural station 144 



direct bearer, in relation to disease 52 



dust I', liquid spraying S32, 843 



hydrofluoric acid injury 246 



industry in California 144 



muscadine, breeding 544 



Grapes— Continued. Page. 



pruning experiments, Iowa 40 



Rotundifolia, inheritance of sex in, N.C. . . 449 



varieties, Tex 832 



Vuiifera, culture experiments, N.Y. State. 544 



winter injury, N.Y. State 655 



Grapevine — 



sawfly, notes. Conn. State 255 



tomato gall, notes, Coim. State 255 



Grapfiornyia maculata, studies 764 



Grass- 

 as affected by associated legumes 438 



as affected by soil acidity, R .1 446 



embryo, morphology 127 



eradication, Tex 532 



for pasture and hay in Texas 827 



for shifting sands 333 



growth under drought conditions 437 



in relation to dry farming 437 



mixtures, tests '-^ao, 735 



mulch for orchards 833 



pollination experiments 734 



seeding on cut-over land, Miim 228 



trees, of South Australia 648 



varieties, Hawaii 132 



varieties, Minn 227 



wild fodder, of Poena District, India 136 



(See also specific kinds.) 



Grasshoppers. (See Locusts.) 



Grasslands — 



composition of herbage 230 



liming 230 



precipitation-evaporation factor in 525 



Gravel— 



for roads 288,695 



grading for road construction, U.S.D.A. . . 788 



Grayfish, description and food value 63 



Green- 

 bug. (See Grain aphis, spring.) 

 manure and manuring in the Tropics, 



treatise 28 



manure, effect on soil acidity. Mo 718 



manure, effect on soil bacteria, Iowa 121 



manure, effect on solubility of inorganic 



soil constituents, U.S.D.A 422 



manure, fertilizing value, N.J 425 



manure for semiarid soils, U.S.D.A 319 



manure for swamp rice soils 425 



manuring experiments, Hawaii 320 



manuring in India 334 



Greenhouse — 



crops and soil, Injury by gas 727 



fumigation experiments, Md 660 



leaf tyer, notes. Conn. State 255 



Gregarina n.spp. , descriptions 558 



Gregarines, studies 53 



Ground squirrels. (See Squirrels, groimd ) 



Groundnuts. (See Peanuts.) 



Gryllotalpa gryllotalpa, introduction into New 



Jersey 660 



Gryllotalpoidea of South America 157 



Guam- 

 grass, digestibility, Tex 168 



Station , report 796 



Guanin, isolation from cows' milk 308 



Guavas of Hawaii 835 



