978 



EXPERIMENT STATION EECORD. 



Nuts— Page. 



diseases of 546 



prevention of beri-beri by ,. 762 



propagation 443 



Nuttallia equi, description 382 



Nysius delectus, notes, HawaiL 249 



Oak- 

 diseases, notes 451, 841 



mildew in Hungary 845 



Oidium, studies 246 



twig girdler, remedies 60 



Odkesia sessilifolia, seed formation in 225 



Oaks— 



as affected by smoke 521 



chestnut, Sphseropsis canker of 450 



cork, yellow spot disease of 247 



dying, TT.S.D.A 246 



live, carpenter worm affecting 550 



of central California 839 



spraying with lead chromato 60 



valonia, bibliography 342 



Oases, irrigation 287 



Oat— 



amylase, studies 609 



aphis, notes, U.S.D.A 753 



"grey leaf" or "dry leaf," notes 243 



hay, chloroform extract of, Tex 71 



hulls, analyses 168 



hybrids, yields, U.S.D.A 527 



loose smut, description and treatment, 



N.J 446 



loose smut, treatment, Iowa 344 



powdery mildew, stud ies, Mo 343 



seedlings as affected by nitrates 231, 528 



smut, treatment, Ohio 98 



smuts, notes. Can 829 



starch, studies 828 



straw, nitrification 724 



Oatmeal, analyses 467 



Oats — 



analyses 431, 467, 864 



analyses, S.Dak 470 



and field peas, seeding experiments, 



Ohio 36 



as a nm-se crop for grasses 524 



as affected by soil volume and available 



plant food 132 



assimilation of soil constituents by 632 



awn development in 332 



calcium cyanamid for 524 



correlation of characters in, N. Y. Cornell. 434 



crushed, analyses 73, 366 



culture, Iowa 265 



culture, Ohio 35 



culture experiments 44 



descriptions 230 



fertilizer experiments 31, 



• 37, 123, 129, 217, 528, 820, 821, 822, 829 



fertilizer experiments, Ohio 430 



fertilizer experiments, U.S.D.A 828 



fertilizing value 220 



germination tests 136, 733 



ground, analyses, Tex 863 



ground, analyses, Vt 663 



growth as affected by spacing 328 



growth on sterilized soils 336 



heredity of albinism in 329 



Oats— Continued. Page. 



history 131, 230 



imports from Canada, U.S.D.A 95 



irrigation, Nebr 328 



irrigation experiments, Nebr 36 



maltase content 204 



phytin content, N.Y.State 707 



precipitin test for 733 



radio-active fertilizer for 129 



relation of tops to roots 733 



rust-resistant variety, description 332 



seed selection. Can 226 



seed, viability as affected by age 624 



seeding experiments 328 



seeding experiments, Ark 631 



subsoiling experiments 41 



subsoiling experiments, Okla 131 



sulphur in 817 



tlirips affecting 351 



utilization of different phosphates by 733 



V. com for pigs, Ohio 868 



variations in. Me 8.32 



varieties 829 



varieties. Ark 631 



varieties. Me 832 



varieties, N. Y.Comell 434 



varieties, Ohio 226,430 



varieties, S.Dak 435 



varieties, U.S.D.A 527 



varieties resistant to fungi 50 



weight as affected by fertilizers 136 



wild, germination studies 235, 624 



Ocean spindrift and blo:\'n spray, effect on 



chlorin content of inland waters 813 



Octacetylgentiobiose, notes 310 



Odina wodier, gums of 409 



Odonata, review of investigations 452 



Odontria puncticoUis n. sp. , description 159 



Qi^canthus spp., studies, N.Y.State 649 



(Ecodoma cephalotcs, studies 656 



(Enothera lamarc'kiana, origin 523 



CEnothera, mutation in 35 



Ohio- 

 State University, notes 198, 399, 797, 900 



Station, report 98 



O'idium — 



farinosum, parasite of 544 



quercinum in northern France 546 



Oil- 

 cake, mold fungi in 377 



emulsions, preparation and use. Wash. . . 740 



laws in Wyoming 259 



leaf, of Douglas fir 201 



of hops, chemistry of, U.S.D.A 201 



orchard heating, use against wM garlic, 



Ind 739 



palm of tropical Africa, studies 143 



plants, culture experiments 733 



sprays, preparation and use 63 



Oils— 



acetyl number, determination. Mass 713 



chemistry of 201 



hardened, digest of data 856 



methods of analysis 509, 806 



of British tropical dependencies 234 



Oklahoma College and Station, notes 300, 696 



Okra wilt diseases, notes 343 



