880 



EXPERIMENT STATION KECOKD. 



Page, 



Onion diseases, notes, U.S.D. A 139 



maggot, remedies, Ind 438 



Onions, Bermuda, production in Gulf Coast 



States, U.S.D.A 139 



culture 236 



U.S.D.A 139 



insects affecting, U.S.D.A 139 



lime and magnesia for 30 



raising from seed, Ind 438 



varieties. Can 332 



U.S.D.A 139 



Ontario Bee Keepers' Association, report 765 



Oophlhora semblidis, development 557 



Oospora scabies. (See Potato scab.) 



Ophion bilinealus, note^ 248 



Ophionectria coccicola, notes 752 



Ophiusa calella, notes 648 



Opsonic technique, notes 278 



Opsonins, paper on 278 



Opunlia spp., culture, Ariz 34 



Orange aphis, notes 7.56 



U.S.D.A 354 



parasite, introduction into 



Hawaii 450 



borer, notes 752 



butterfly, notes 647 



codling moth, notes 647 



juice, examination 522 



mineral, effect on rust formation, 



U.S.D.A 208 



peel, candied, rdanufacture 767 



rust mite, notes, U.S.D.A 354 



Oranges, adventitious embryos, studies, Fla. 320 



culture in arid Southwest, Ariz 44 



Orchard- 

 caterpillars, remedies, N.ll 799 



diseases, notes. Me 145 



Va 351 



Vt 549 



inspection. {See Nursery inspection.) 

 Orchards- 

 apple. (Sfe Apple orchards.) 



care and management 440 



cover crops for, Colo 236 



Pa 237 



experimental, in the Transvaal 545 



fertilizer experiments, Colo 230 



Pa 237 



insects affecting 140, 146, 248 



Colo 352 



Mo.Fniit 252 



■S.C 157 



notes (j38 



renovation , 140 



tillage for, Colo 236 



Pa 237 



Orchids, insects affecting 459 



treatise. 739 



Oregon College, notes 297, 695 



Station, notes 297, 695 



Organic acids, standards 610 



matter, effect on disinfectants 84 



loss of plant food 



from soils, Fla... 313 

 Ornamental plants. {See Plants, ornamental.) 



Ornithodoros moubata, notes 280, 686 764 



savignyi, notes , 64G 



I Page. 



I Ornithological club,. Cooper, index 646 



Ornilhomyia lagopodis, notes 183 



Orlhczia insignis, notes 253 



Orthoclase as a source of potash 722 



Orthocresol, effect on plant cells 424 



Orthodihydroxy-phenol, effect on plant cells. 423 



Orthophthalic acid , effect on plant cells 424 



Orthoptera of Central America, treatise 649 



southwestern and western 248, 555 



Osage orange as affected by mistletoe 534 



Osmometer, description 409 



Osmotic effects, origin 126 



pressure, determination 409 



Osteoporosis, diagnosis 183 



in animals, notes 583 



horses, notes 483 



Ostrich feathers, classification 473 



ferns, power of growth in 226 



industry, notes 274 



Ostriches, quilling experiments 473 



Otiorhynchus picipes, notes 753 



Otters in Massachusetts 450 



Ovaries, anatomy and physiology 269,571 



transplanting in chickens 372 



guinea pigs 669 



Ovariotomy and castration, general account . . 680 



Overfeeding, effect on intestinal digestion 265 



Oviduct in hen, anastomosis of 269 



Ovis aries strepsiceros, notes 674 



arkal, notes 672 



Ox muscle, hydrolysis 607 



warble fly, notes 250, 652 



remedies 753 



Oxalates, role of, in beet seed germination 431 



Oxalic acid, detection in cocoa 523 



effect on casein precipitation 177 



excretion by roots 32 



Oxamid, effect on plant growth 31 



Oxen, lymphatic glands in, studies 486 



poisoning by cotton-seed meal 788 



gnats 181 



red blood corpuscles in, studies 681 



Oxybelidse, studies 763 



Oxycarenus hyalinipennis, notes 647 



Oxygen consumption by infants 665 



dissolved, determination In water. . . 302 



effect on athletes 68 



function in rust formation, U.S.D.A 207 



Oxy torus, new species, description 452 



Oxyuris in Filipinos .* 792 



Oxyuris vcrmiculaTis, notes 184 



Oyster-shell bark-louse. {See Oyster-shell 

 scale.) 



scale, notes 252, 554 



Can 349,350 



Mo.Fruit 60 



S.C 157 



remedies 753 



Oysters, analj-ses 65 



Me 165 



Pachnseus sp., notes 752 



Pachnoda savignyi , notes 647 



Pachytylus sulcicollis, control 451 



Packing-house— 



industry, relation to chemistry 63 



products. {See Animal products.) 

 Paddy. (See Rice.) 



