884 



EXPERIMENT STATION EECOKD. 



Page. 

 Orangeade powder, adulteration and mis- 

 branding, U.S.D.A 271 



Oranges, analyses, Fla 441 



cost of production in Spain 192 



destruction by gophers, U.S.D.A. . . 154 



insects affecting 755 



U.S.D.A 257 



introduction from Palestine, 



U.S.D.A 538 



Orchard— 



and forest diseases, bibliography 149 



brown mite, studies, Colo 264 



diseases Ln Italy 149 



notes 147,247,740 



N.Y.State 538 



prevalence in Queensland 147 



Tasmania 52 



studies 646 



treatment 645 



Md 252 



Va 163 



grass for pastures, N.Y.Cornell 529 



germination tests, Va 240 



seed examination, Va 240 



heater, homemade, description 538 



Inspection. {See Nursery inspection.) 

 Orchards — 



apple. (See Apple orchards.) 



cover crops for, Hawaii 241 



fertilizer experiments 42 



home, in Oregon, Oreg 295 



improvement in eastern United States. . . 640 



in Nova Scotia 241 



insects affecting 46, 52, 53, 646, 755 



Ohio 733 



Va 163 



remedies 440 



u-rigation, U.S.D.A 440 



management, N.Y.State 538 



Ohio 734 



plantmg, U.S.D.A 440 



systems for 734 



protection from frost, U.S.D.A 441 



spraying, Ind ». 61 



Wis 61 



survey in Niagara County, N.Y.Cornell. . 538 



Orchids, culture 343 



fungus symliiosis in 133 



Oregon College, notes 99, 199, 29S, 498, 698 



Station, notes 99, 298, 498, C9S 



Organic- 

 bases in rotted soy beans 704 



compounds in soils, complexity 310 



matter, eflect on nitrifiration in soils 721 



in soils, factors affecting 621 



value in agriculture 18 



Organisms, edect on soil fertiUty 623 



growth as affected by boric acid . . 370 



normal rate of growth in 375 



relation to depreciation in prunes 630 



soil, effect on anthracnose. La . . . 250 



Organs, human, composition 172 



Orgyiagonostigma, studies of sex differences in. 472 



Oribatella angusta n.sp., description 565 



Oribatoidea of North America 504 



Oriental moth, Ufe history and bibliography. . 363 



Page. 



Oriental sore, transmission 483 



Ornamental plants. (See Plants, ornamen- 

 tal.) 

 shrubs. (See Shrubs, ornamen- 

 tal.) 

 trees. (See Trees, ornamental.) 



Ornithodoros marginatus n.sp., description 565 



moubata, transmission of Spiro- 



chseta gallinarum by 162 



Orobanche rubeus, notes 741 



Orihocarpus purpurascens palmeri, culture, 



U.S.D.A 136 



Orthoclase, as a source of potash 716 



Orthoptera, catalogue 756 



of Cuba and Isle of Pines 256 



India 358 



southwestern and western 557 



Orthorrhinus glindrirostTis, notes 659 



Osage orange disease, notes 252 



relation to San Jos6 scale 658 



Oscinis frit, notes 458 



Osmanthus americanus, as a white fly food 



plant, Fla 462 



Osmosis, cellular, relation to heredity 377 



Osmotic pressure Ln plants, studies 526 



Ostrich diseases, notes 90 



prevalence in British East 



Africa 784 



industry in Uruguay 279 



Otiorhynchus ovatus, notes. Conn. State 361 



Ovaries, histology during pregnancy 777 



O vernutrition, notes 373 



Oviduct ligaments in fowls, studies, Me 275 



Ovine, tests 286 



Ovis arzes spp., bones of, description 476 



vignci arkal, description 174 



Ovomucoid solutions, refractive indexes 510 



Ovularia mcdicaginis, notes 741 



Ovulation in mammals 472 



Owls, destruction of gophers by, U.S.D.A 154 



Ox blood, deflbrinated, nutritive value 572 



prehistoric, description 174 



Oxalic acid, effect on invertase, U.S.D.A 110 



Oxamid, absorption by plants 725 



Oxen, feeding experiments 772 



Oxidase reactions, studies 210 



Oxidases, plant, extracting and purifying 210 



studies 228, 704 



Oxidizing substances, relation to detection of 



nitrates 213 



Oxygen, consumption by man, determina- 

 tion 471 



determination in water 512 



eflect on ammonium sulphate 009 



red pigments in plants 528 



influence on muscular work 0G9 



liberation from leaves 725 



resorption in the intestines 570 



role in formation of plant proteins. . . 29 



Oyster embryos, studies 478 



Oyster-shell— 



bark-louse. (See Oyster-shell scale.) 



scale, life history and control, U.S.D.A. . . 150 



notes. Wis 59 



remed ies 360 



Corm.State 362 



