INDEX OF SUBJECTS. 



1301 



Page. 

 Orchards- 

 apple. (See .\pple orchards.) 



cover crops for, Wash 538 



Wis 30 



fertilizer experiments, Mo 33ti 



fertilizers for. La 642 



insects affect int; 240, 654, 760, 762, 1152 



La 042 



management, U.S.D.A 228 



renewal, Ohio 1036 



survey in Oregon. Oreg 336,941 



winter injuries in Maine 240 



Orchid leaf spot, studies 1143 



Orchids, culture in unheated greenhouses — 446 



propagation and culture 1133 



Oregon College, notes 493,694, 895, 1097 



Station, notes 493,694,895 



Oreodaphne, transpiration 829 



Organic matter, decomposition by bacteria . . 393 



in soils 398 



destruction by electricity . . . 207 



determination in molasses . . 90'J 



effect on nitrification 218 



in soils, studios 713 



oxidation 718 



Oriole, black-headed , notes 854 



Oriolus melanocephalu.i, notes 854 



Ormenis pruinosa, notes 760 



Ornamental- 

 plants, culture in Alaska, Alaska 142 



Michigan, Mich 144 



for Nebraska 147 



Ornithodoros— 



lahoriensis n. sp., description 1189 



megnini, parasitic on cattle, Okla 481 



moubata ova, Spirochseta duttoni in 1087 



transmission of fever by 1154 



Ornithology, I'hiUppine, bibliography 1145 



Ornithopus sativus, cross inoculation 620 



Osmoderma scabra, notes, Me 1049 



Osmotic pressure, role in animal life 171 



Osteoporosis in animals 683 



Ostrich parasites, notes 1192 



Ostriches— 



egg-laying records 474 



feeding in Cape Colony 870 



health of, effect on feather formation 372 



quilling experiments 473 



Otiorhynchus ovatun, notes, Mich 351 



spp., remedies 554 



sulcatus, notes. Conn. .State 1049 



Otoapermophilus beecheyi, plague of 1 144 



Otters in Massachusetts 952 



protection, U.S.D.A 551 



Owls, feeding habits 159, 350, 1145 



Ox warble fly, notes 457 



remedies 582,857 



Oxalates, effect on coagulability of milk 1178 



Oxen, feeding exix-riments 779 



In Tunis, studies 469 



rations for 1065, 1171 



value as draft animals 70 



Oxydases in rubber 1123 



Oxygen— 



determination in water 703 



effect on l.ictic-acld bacteria 80 



Page. 



Oxygen — Continued. 



effect on micro-organisms and ferments. . 627 



organic matter 718 



Oxymethylanthrachinone, absorption by 



milk 975 



Ozypleurites serratux, notes 957 



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

 scale.) 



scale, notes 253, 1146 



Md 560 



Mont 351 



Wis 60 



remedies 163, 457 



N.H. 556 



shells, value, N.Y.State. .' 968 



Oysters, analyses 167, 168, 398, 1057 



canning and preserving 1157 



copper in 562 



on the Pacific Coast 357 



Ozone, atmospheric, origin 422,1111 



industrial uses 813 



sterilization of water by 1113 



Ozonium omnivoTum,no\.es, U.S.D.A 246 



Pachnseus litus, notes 353 



Pachytylus sulcicoUis, notes 654 



Packing-house products. (See Animal prod- 

 ucts.) 

 Paddy. (See Rice.) 



Paints, composition, Tex 911 



testing, X.Dak 1089 



Pakana, analyses, Hawaii 172 



Palseococcus theobromx n. sp., description 257 



Palarus latifrons, notes 657 



Paleacrita vernata. (See Cankerworm, 

 spring. ) 



Pales pavida, studies, U.S.D..\ 456 



Palm meal, analyses 865 



Palms, date. (See Date palms.) 



Pamphila spp., life history 761 



PamphilitLS persicum, notes 1146 



remedies 953 



Pan-American Scientific Congress 608, 695 



Pangium eda/f, hydrocyanic acid in 527 



Panicum mazimum, culture experiments 933 



miliaccum, feeding value, U.S.D.A. 1065 



spp.. notes, Ohio 231 



stagninum, analyses 659 



Pansies, culture 1132 



Pajmipemafurcata, notes, Minn 1049 



Papaveracea?, coagulating substance in 26 



Papayas, analyses, Me 461 



correlation of structure in 226 



culture in Hawaii, Hawaii 143 



marketing, Hawaii 538 



Paper-making materials, conserx'ation, 



U.S.D.A....1 875 



parchment, analyses 709 



Paprika, adulteration, detection 3% 



composition 398 



determination of iodin number 398 



Pararubl)er. (Sff Rubl>er.) 



Paraffin, manufacture 824 



oil, eff(>ct on soils 1015 



wax as an egg i)reservative 870 



Paraform gas, production, U.S.D.A 884 



Parakeelya, economic value 864 



