978 



EXPERIMENT STATION RECOED. 



Nitrogen — Continued. Page, 

 of alfalfa hay and corn, com- 

 parative tflaciency, Wis 863 



organic, availability. Mass 520 



organic, In soils, Hawaii 721 



organic, rOle in ammonia forma- 

 tion 818 



oxidation 322 



synthetic, status of industry 622 



Nitrogenous fertilizers, comparison- 323, 



330 

 Nitrous acid, detection In presence 



of ferric salts 115 



North Carolina Station, notes 70S 



North Dakota — 



College, notes 198, 397, 79S 



Edgeley substation, reports 598 



Langdon substation, reports 508 



Station, notes 798 



Nosema bombi n.sp., biology and rem- 

 edies : 750 



Notodontidne, coloration and protec- 

 tive attitudes 850 



Notwdrcs 7Huris, notes 353 



Notolophtts aiitiqua, notes, Oreg 651 



Nucleic acids — 



notes 678 



treatise and bibliography 201 



undigested, determination 311 



Nucleln, notes 678 



Nucleoprotelns^ — 



as antigens 179 



bacterial, notes 78 



cleavage products of 718 



Nucleosids, metabolism of 256 



Kupscrha apicalis, notes 347 



Nursery — 



inspection in Canada, Can 448 



inspection in Mauritius 46 



inspection in Minnesota 753 



inspection, uniform state law 398 



stock. Insects affecting 449 



Nursing, lectures on 394 



Nutrients for retarded children 458 



Nutrition — 



animal. (See Animal nutrition.) 



bibliography 760 



chemistry of 854 



coefficient in Antwerp school 



children 458 



digest of data 359, 857 



investigations of United States 



Department of Agriculture 255 



laboratory of Carnegie Institu- 

 tion 565 



papers on 760 



plant. (See Plant nutrition.) 



principles of 659, 663 



rOle of carbohydrates in 359 



writings of J. von Llebig 109 



(See also Digestion, Metabolism, 

 etc.) 



Nuts — 



culture in Arizona, TJ.S.D.A 232 



culture In southern Texas, 



U.S.D.A 530 



Nuts — Continued. Page, 



of Hawaii, composition, Hawaii- 761 



varieties, U.S.D.A 232 



Nuttallia equi in equine biliary 



fever In India 278 



Oak- 

 canker, description 442 



disease in Westphalia 845 



heart rot, distribution, U.S.D.A- 150 



Oidium, notes 150 



phylloxera, life history and 



habits 57 



red, density and porosity, 



U.S.D.A 47 



scale, studies, Ala. College 553 



wood, resistance to dry rot 150 



Oaks- 

 destruction by A(jrilus biline- 



atus, U.S.D.A 656 



distillation value, U.S.D.A 48 



Oat— 



and pea hay, cost of production, 



N.J .'527 



aphis, notes, Cal 755 



grass, tall, digestibility 168 



grass, tall, irrigation experi- 

 ments, U.S.D.A 224 



hay, analyses, Can 465 



hulls, analyses, N.J 067 



loose smut, notes. Can 48 



loose smut, treatment. Can 49 



seedlings, distribution of sto- 



mata in 221 



sickness in soils 442 



Oats- 

 adjustment to light 522 



analyses , 862 



analyses. Can 465 



analyses, Iowa 171 



biennial cropping, U.S.D.A 226 



correlation in, N.Y.Cornell 736, 737 



cost of production 594 



cost of production, Can 530 



cost of production, Minn 688 



cultivated, origin 131 



culture, S.C 598 



culture, Tenn .* 132 



culture, Tex 226 



culture experiments, Alaska 36 



culture experiments, Ariz 526 



culture experiments. Can 431 



culture experiments, N.Dak 528, 



529, 530 



culture experiments, Oreg 132 



culture experiments, U.S.D.A — 430 



culture in cotton belt, U.S.D.A- 533 



culture in Mexico 131 



dynamiting aud subsoillng ex- 

 periments, N.Dak 528 



effect on companion crop of 



wheat 432 



effect on succeeding crops, U.S. 



D.A 224 



fertilizer experiments, Can 431 



grades 138 



green manuring experiments, 



Miss 721 



