INDEX OF SUBJECTS. 



977 



Page. 



Oats, assimilation of nitrogen by 319 



breeding 434 



composition as affected by companion 



crop 617 



culture experiments 233, 329, 737 



Mont 38 



Tenn 422 



for silage 674 



under dry farming, N.Dak 828 



description and classification 41 



fertilizer experiments 33, 



324, 330, 331, 424, 428, 



522, 527, 535, 622, 623, 

 630, 632, 725, 818, 833 



Conn.State 523 



Mass 31 



R.I 817 



Tenn 422 



Wyo 534 



forcing by electricity 136 



germination as affected by stimulants . . 131 



germ-ripening experiments 131 



ground, analyses, Conn.State 6G5 



Mass 665 



Tex 468 



Vt 72 



growth in heated soils 815 



hybridization investigations 831 



large v. smaU seeds 636 



loose smut, description and treatment . 341 



notes 362 



planting and harvesting dates, U.S.D. A 533 



potash fertilizers for 526 



production in 1911, U.S.D.A 595,792 



Russia, U.S.D.A 294 



United Kingdom 793 



relation between size of seed and yield. 434 



rye stalk disease affecting 546 



seeding experiments 231,331 



valuation 267 



varieties 232, 233, 331, 629, 632, 733, 835 



Mont 39 



N.C 828 



for California, Cal 233 



resistant to rust 447 



water requirements 129 



weed seeds in 135 



wild, geographical distribution 334 



Ocinara lewinse, injurious to horses 456 



Octolasium cyaneum, carbon dioxid exhala- 

 tion of 619 



(EmetJiylus triangularis, notes 657 



CEnothera biennis, stomatal movement in 627 



CEnothera, factors affecting development 728 



CE sophagostomum venulosum, destructive to 



deer 653 



Oestrus oris, notes 781 



Offals, analyses 80'c» 



Ohio State Grange, Columbus meeting 1 



University, notes 397, 797 



Station exhibit at county fairs 299 



financial statement 299 



notes 300, 397, 695 



report of director 299 



Oidium lactis, isolation from cheese 479 



notes 8S1 



tuckeri, occurrence in Poland 845 



Page. 



Oidium, treatment 345 



Oil adulteration, determination 114 



burning in boiler furnaces, La 384 



cakes, availability of phosphoric acid in . . 428 



content of egg yolk 67 



{See also specific kinds.) 



Oils, crude, as a preservative for poles 644 



evaporation 644 



edible, treatise 258 



effect on mold growth 2O6 



essential, determination 1 13 



in alcoholic so- 

 lutions 99 



methods of analysis 202 



tests 202, 539 



volatile, production from wild plants, 



U.S.D.A 612 



Oklahoma Station, notes 397, 599 



Okra wilt, description, N.C 844 



Oleaginous fruits, formation of fat and fatty 



acids in goi 



Oleanders, destruction by black scale, Cal. . . 555 



Oleic acid, separation from fatty acids 112 



Olein content of egg yolk 67 



Oleum lauri as an insectifuge 755 



Olibrns sp., destruction by white fimgus, U.S. 



D.A 454 



Olive diseases, notes 844 



studies 849 



treatment 850 



fly, feeding habits 252 



remedies 252 



husks, detection in pepper 805 



industry ia Corfu 138 



oil, examination 564 



extraction 414 



standards for 564 



scale, parasite of 655 



seedlings as affected by metallic salts. . 825 



thrips, endophagus parasite of 553 



Olives, chemistry of 801 



destruction by black scale, Cal 555 



food plant of purple scale, Cal 756 



preservation 117 



O miodcs accepta, notes 758 



Omorga frumentaria, parasitic on fig moth, 



U.S.D.A 248 



Omphalocera dentosa, notes, Conn.State 855 



Onchocerca gibsoni, studies 1S3 



Oncothrips tepperi n.g. and n.sp., description . 60 



Onion maggot, notes, Conn.State 855 



seed, germination tests. Mass 44 



smut, prevention, Ohio 29^ 



thrips, internal parasite of 858 



Onions, bacterial disease affecting 846 



culture 393 



fertiUzer experiments. Mass 31 



requirements 818 



forcing by electricity 136 



Onychothrips, new genus, description 60 



Oocytase, isolation 877 



Oolitic deposits of Department of Yonno 519 



Oomycetes, spore germiuation and infection 



in , Wis 342 



Oophihora semblidis, notes 557 



Oospora scabies. (See Potato scab.) 



Operative technique, discussion 373 



