INDEX OF SUBJECTS. 



979 



Oats — Continued. Page. 



ground, analyses, Mass 259 



growth lu vertical illumination. 129 

 growtli on volcanic asb, Alaslca_ 36 



improvement, Micli G30 



irrigation experiments, U.S. 



D.A 37,225 



liming experiments 812 



liming experiments, Ohio 31 



liming experiments, Tenn 132 



nematodes affecting G41, 750 



production in Bohemia 827 



ratio of straw to grain 40 



rolled, analyses, Ky 667 



root system 634 



seed, longevity 634 



seeding experiments. Can 531 



seeding experiments, N.Dalt_ 528, 530 



variation in, N.Y. Cornell 730, 737 



varieties 37, 631 



varieties, Alaska 36 



varieties, Can 431 



varieties, N.Dak— 527,528,529,530 



varieties, Oreg 730, 827 



varieties, Tenn 827 



varieties, U.S.D.A 224,333 



varieties. Wash 731 



varieties resistant to smut, Can_ 49 



water requirement 813 



water requirement, Okla 335 



water requirement, U.S.D.A 127 



wild, analyses, N.Dak 169 



w'iltlng coefficient, Okla 335 



yield as affected hy dynamiting, 



U.S.D.A 430 



Odonata of southern Minnesota 753 



(Enothera — 



hiennis, parallel mutations of_ 131 

 (jrandiflora of herbarium of La- 

 marck 822 



spp. in forest of Fontainebleau- 726 



Q'lnothera — 



geneticai studies 326 



hybrid contamination in 521 



hybrids, studies 628 



mutation in 426 



negative correlation in 521 



Ohio — 



State University, notes__ 198, 397, 798 



Station, notes 397, 798 



Station, report 796 



O'idium — 



lactis solani n.var., description- 644 

 (Oospora) lactis, growth in pres- 

 ence of salt, Conn.Storrs 176 



sp. on sweet peas, Del 446 



Oil from dogfish 424,722 



Oils- 

 attractiveness for fruit flies 153 



edible, analyses 762 



glyccrids of 801 



bydrogenated, analytical con- 

 stants 416 



bydrogenated, as human food 6G0 



hydrogenation of, treatise _ 416 



lubricating, for internal com- 

 bustion engines 86 



Oils — Continued. Page. 



methods of analysis 314 



physical constants 300 



Oka Agricultural Institute, Quebec 895 



Oklahoma — 



College, notes 95,397,497 



Station, notes 95, 397, 497, 798 



Okra, lieredity in, N.J 538 



Oleander scale, notes, U.S.D.A 56 



Oleic acid, oxidation in sunliglit 762 



Oleomargarine, sale in l'ennsylvania_ 763 



Olcthreutes fii<ji(lana, notes. Can 448 



Oleurop^ine, notes, Cal 209 



Oligota ovifonnis, parasitic on red 



spider, Oreg 157 



Olive — 



diseases, treatise 344 



exanthema or dieback, studies, 



Cal 238 



fly, notes, U.S.D.A 56 



oil, analyses 762 



oil, extraction 142 



oil, rancidity 762 



paste, manufacture, Cal 209 



seed, germination of, Cal 235 



weevil, nematode parasite of 453 



Olives — 



bitter principles, Cal 209 



culture 142 



culture in Austria 838 



culture in southern Texas, U.S. 



D.A 539 



pickled, sizing, Cal 209 



pickling 142 



softening, Cal 209 



C'nagracesE, hybrid contamination in_ 521 



Onc/iocerca fi»t?)soni,investigations_ 376, 377 

 Onion — 



couch, notes 121 



smut, treatment, Mass 342 



thrips, notes 755 



thrips on leeks 553 



Onions- 

 culture experiments, 111 140 



culture experiments, Oreg 132 



culture in India 131 



fertilizer experiments, Oreg 635 



Onobrychis sativa, culture in Ha- 

 waii, Hawaii 730 



Ontario Agricultural College and Ex- 

 perimental Farm, notes 392 



Oospora — 



hictis, growtli in presence of 



salt, Conn.Storrs 176 



{Otdium) lactis solani n.var., 



description 644 



scabies. (See Potato scab.) 

 Ophiobclus — 



graminis, notes 642 



hcrpotrichus, conidial form 843 



Ophthalmic mallein eye dropper, de- 

 scription 580 



Opins humilis in Hawaii 757 



Opsonins and tropins, bacterial, 



notes 78 



Opuntia discata, density of cell sap_ 34 



