INDEX OP SUBJECTS. 



975 



Page. 



Osmosis in soils 124 



Osmotic pressure — 



as an envii-onmental factor in plants 027 



determination 731 



in leaves, induced variations in 134 



plants, studies 133,134,828 



Ostertagia bullosa, notes 555 



Ostrich farming in Australia 575 



Ostriches, leucocy tozoon infection of 476 



notes 172 



Otiorhynchus rotundalus, habits of 657 



Ougeinia dalbergioidts, notes 443 



Ova, production of sperm iso-agglutinins by. . 107 



Ovaries, development in fowls 874 



Oven, electrical, description 507 



Owl, little, economic importance 051 



Ox warble fly, notes 761 



review of literature 850 



Oxalic compounds, effect on vegetation 49 



Oxen, limb tendons of 570 



Oxidases, role in formation of pigments 219 



sugar beet curly top 550 



U.S.D.A 48 



Oxygen, absorption by oils 013 



respiratory cliromo- 



gens of plants 324 



Oxyspirura mansoni, treatment, Hawaii 784 



Oxysternus maximus, notes 858 



Oyster- 

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



scale, life tustory and remedies 558 



notes, Me 251 



and remedies 758 



shells, ground, difiusion in soils, Md 128 



Oysters, recipes 301 



Ozone, nascent, as a food preservative 560 



Packing-house products. {See Animal prod- 

 ucts. ) 



plants, inspection in Virginia 567 



Paddy. (See Rice.) 



Paint and oil law in South Dakota 507 



mineral, deposits in Virginia costal 



plain 513 



Paints, analyses, N . Dak 866 



dry, insccticidal value 758 



Paleobotany, bibliography 626 



Palm cake, analyses ...,. 367 



kernel oil, detection ..•.. 613 



nut cake, analyses 467 



oil, detection 613 



Palms, sugar-producing, notes 149 



Paltostoma torrent ium, notes 54 



Pamphila dysmephila, life history and habits. 655 



Pancreas diseases, diagnosis 268 



ferments of 002 



Pancreatic and gastricfatdigestionininfants. 305 



juice of dogs, alkalinity 268 



secretion, relation to fats 465 



Panliandlereglon,Tex.,soilsurvey, U.S.D.A. 16 

 Papaipcma nitela. {Sec Stalk borer.) 



Papaya leaf disease, studies 848 



Papayas, breeding experiments, Hawaii 234 



grafted, possibiUties, U.S.D.A 42 



Paper and pulp industry, bibliography, 



U.S.D.A 119 



Paprika, origin and composition, U.S.D.A... 264 



Para grass, yields, Fla 224 



rubber. {See Rubber.) 

 Paracasein — 



compounds, composition and properties, 



N.Y.State 9 



preparation and properties . 805 



preparation, N.Y.State 11 



Paraflin, preservation of eggs with 172 



Paralysis in— 



horses and cows due to i ngestion of fodder. 780 



lambs, relation to Dermacenlor venustus . . 482 



Paranuclein, antigenic properties 174 



Paraphenylendiamin, effect on milk 806 



Parasetigena segregata, studies 760 



T^arasiorola cellularis, notes, Hawaii 253 



Parasites, minute hymenopterous, handling. 658 



notes 855 



{See also Animal parasites, etc.) 



Parathyroid glands of domestic animals 377 



Paratyphoid infection, relation to bacterial 



food poisoning 64 



infections, detection 881 



Parlaloria blaTichardii, notes 255 



Parsnip, poison, toxicity, Nev Ill 



Parthenium argentatum, culture experiments, 



Ariz 443 



Parthenogenesis in various plants 837 



Paspalum dilatatum, culture in Porto Rico, 



P.R 631 



root disease of 152 



Passerculus sandwichensis savanna, destruc- 

 tion of grain aphids by, U.S.D.A 452 



Passiflora eduUs as a trap for frvut flies 657 



Pasteurellosis in sheep 179 



Pasture crops, handbook 530 



Pastures, fertilizer experiments 632, 728 



fertilizers for 517 



Pathology, papers on 676 



treatise and bibliography 174 



Pavement specifications, handbook 387 



Pavements, rock asphalt, construction 591 



Pea blight, studies 447 



tree, Siberian, culturein Alaska, Alaska. 743 



Peach and almond graft hybrid, description . . 838 



brown rot canker, studies 848 



crown gall, inoculation experiments . . . 449 



diseases, notes and treatment, Md 146 



juices, studies, Del 711 



pollen, frost resistance of 437 



rust, treatment 551 



scale, West Indian, control in Italy. .. 854 



skins, isolation of fat from 459 



stem canker, notes, Conn. State 547 



"stop back," relation to tarnished 



plant bug 354 



Peaches as affected by fertilizers 40 



lime-sulphur mixture. 



Ark 640 



composition as affected by irrigation, 



Idaho 236 



correlation between flower and fruit. 424 



cost of production 439 



culturein Argentina 641 



the Ozarks, U.S.D.A 237 



