1917] 



INDEX OP SUBJECTS. 



963 



North Dakota— Page. 



College, notes 399 



College, survey 596 



State engineer, report 84 



Nosema— 



apis, notes 58 



apis, relation to Isle of Wright disease 360 



bombycis, structure and life history 361 



Nothodiscus antonix n.g. and n.sp., notes 630 



Notodontoidea, pupae of, Me 663 



/3-Nucleoproteins, antigenic properties 77 



Nudacotyle novicia n.g. and n.sp., description 355 

 Nummularia — 



bulliardii, notes 246 



discreta, notes 151 



Nursery— 



inspection, Conn. State 254 



Inspection in Kansas 357 



inspection in Massachusetts 646 



inspection in Pennsylvania 459 



inspection law in Arkansas 544 



inspection law in Colorado 544 



inspection law in Idaho 544 



stock, imported, inspection 257 



stock, insects afiectmg. Mo 760 



Nut grass, eradication, Hawaii 132 



Nutrients, absorption by roots, U.S.D. A 222 



Nutrition, difcest oi data 469 



(See also Digestion, Metabolism, etc.) 



Nuttalliosis in Russian Turkestan 374 



Nymphula nymphstta , notes 847 



Nymphu'inpp, North American, notes 564 



Nysius minnlus, notes 847 



Oak- 

 mildew, classification and host relation- 

 ships 155 



Oidium in France 756 



roots, mycorrhiza on 756 



seeds, storage experiments 547 



Oaks, hybrid, in United States S20 



Oat- 

 aphis, cat-tail as a summer host 4fil 



crown rust, studies, Mo 749 



grass, tall, pollination experiments 735 



hay, digestibility, Tex 1C8 



hay, forage poisoning due to 689 



kernel, dietary deflcicneies 61 



middlings, analyses, Wis 471 



powdery mildew, studies, Mo 749 



smut, inoculation experiments. Mo 750 



smut, treatment. 750 



Oats— 



and peas, seeding and harvesting dates . . 135 



and peas, seeding experiments. Idaho. . . 640 



as affected by greenhouse tem perature 533 



breeding experiments 827 



breeding experiments, U.S.D. A 738 



bushel weights 889 



cost of production, W.Va 191 



culture, continuous 137 



culture experiments 436, 534, 823 



culture experunents, La 529 



cultuie experiments, Minn 226 



culture experiments, Mo 731 



culture experiments, Tex 329 



culture for hay, Nev 436 



culture under dry farming, N.Mex 329 



dietary properties 264 



Oats— Continued. Page. 



digestibility. Ark 678 



effect on soil bacteria. U.S.D. A 421 



electrocultiirc experiments 336 



fertilizer experimepts 134, 216, 436, 823 



fertiliser experiments, Ga 29 



fertilizer experiments, Idaho 30 



fertilizer experiments. Me 635 



fertilizer experiments, Minn 229 



fertilizer experiments, R.I 34 



germination tests, Mont 239 



groimd, analy.ies, R.I 767 



husk percentage in 537 



improvement in Canada 831 



inheritance in, Wash 332 



irrigation experiments, Idaho 640 



irrigation experiments, U. S. D. A 822 



pedigreed, yields iu Wisconsin 438 



rolled, as a flom- substitute, Ohio 895 



seed bed preparation, fia 29 



seeding experiments 537 



seeding experiments, Idaho 30 



seedmg experiments, Mc 635 



seeding experiments, Minn 226 



seeding experiments. Mo 731 



seeding experiments, Ohio 134 



selection experiments, Minn 220 



selection experiments, Nev 32 



subsoiling experiments 732 



V. corn for work horses, Ohio 195 



varieties 134, 135, 436, 438, 537, 823 



varieties, Hawaii 132 



varieties, Idaho 29, 30, 640 



varieties, 111 641 



varieties, Iowa 30 



varieties, Md 332 



varieties, Me 635 



varieties, Minn 227, 22S, 229 



varieties, Mo 731 



varieties, Nev 32 



varieties, Oreg 530 



varieties, Tex 329, 330 



varieties. Wash 33 



volume weight and grain chaiaLteristics.. 643 



winter, northern limits in United States. 533 



Obrussa sp., notes 564 



Oceanographical research, new instruments 

 for, U.S.D.A 513,807 



OcypteTomima n.g. and n.sp., description 359 



CEdionychis sexaviaculata, notes. Conn. State.. 255 



Oenothera— 



dimorphic mutants 131 



mutants with diminutive chromosomes.. 433 



mutations in 328,724 



twin hybrids in 820 



variation in 525 



CEtiophagostomum — 



columbianuni, notes, Guam 779 



spp. in Philippines 277 



Ohio State University and Station, notes 98,498,797 



Oidium euonymi japonici — 



notes 550 



treatment 246 



Oil- 

 emulsions, preparation and use. Wash ... 143 



palm, propagation and yields 835 



plants of Indo-China 830 



seeds of Brazil 511 



