SUBJECT INDEX 



395 



Nuts — Continued. 



edible, of Guam, (28) 142. 



grafting, new method, (33) 643. 



insects affecting, (29) 354; (40) 259. 



investigations, (40) 150. 



marketing cooperatively, (26) 92. 



microscopic identification, (28) 565. 



of Hawaii, composition, (32) 761. 



of Trinidad and Tobago, (39) 449. 



planting in eastern United States, (38) 542. 



prevention of beriberi by, (31) 762. 



propagation, (31) 443. 



pruning, (33) 838. 



soaking, (29) 60, 264. 



varieties, (30) 41, 640; (32) 232; (34) 231; (38) 



641. 

 varieties for Ceylon, (39) 845. 

 varieties for Georgia, (34) 436. 

 varieties for Minnesota, (.33) 140. 

 variety collections, (40) 834. 

 Nuttallia equi — 



description, (31) 382. 

 in equine biliary fever in India, (32) 278. 

 relation to equine piroplasmosis, (26) 177. 

 Nuttalliosis— 



in horses, notes, (26) SSS. 

 in Russian Turkestan, (37) 374. 

 Nuttallornis borealis, feeding habits, (28) 57. 

 Nymph, agglutinating capacity and complement 



fixing power, (28) 375. 

 Nymphaea — 



alba, chemistry and anatomy of, (34) 522. 

 mexicana as a duck food, (30) 545. 

 Nymphula— 



depunctalis, notes, (34) 250. 

 nymphaeata, notes, (37) 847. 

 Nymphulinae, North American, notes, (37) 564. 

 Nysius — 



angustatus, notes, (29) 252. 

 delectus, notes, (31) 249. 

 ericae (angustatus). remedies, (36) 154. 

 ericae (angustatus), studies, (39) 464. 

 minutus, notes, (37) 847. 

 minutus, remedies, (39) 760. 

 senecionis as an enemy of vines, (33) 1.54. 

 senocionis, notes, (29) 854. 

 vinitor, notes, (35) 853; (40) 753. 

 Nyssorhynchus annulipes, notes, (35) 258. 

 Oak— 



and beech, union of, (33) 343. 

 and birch, union of, (33) 343. 

 canker, description, (32) 442. 

 cork, introduction into southern California, (28) 



543. 

 cork, yellow spot disease of, (31) 247. 

 cossid on pecan, (38) 157. 

 disease in Westphalia, (32) 845. 

 diseases in Brittanv, (3.3) 56. 

 diseases, notes, (26) 57; (31) 451, 841; (39) 149. 

 fungus on nursery stock, (33) 744. 

 heart rot, distribution, (32; 150. 

 heart rot, studies, (30) 52. 



high forests on the Rhine, yield tables, (29) 747. 

 honeycomb heart rot, studies, (.34) 448. 

 leaf spot, large, notes, (28) 55. 

 leaf spot, new, studies. (39) 549. 

 leaf spot, unreported, in New Jersey, (33) 250. 

 leaves, decomposition in soil, (40) 214. 

 mildew- 

 classification and host relationships, (37) 



155. 

 in .\lsace-Lorraine, (28) 852. 

 in Europe, (27) 153. 

 in Hungary, (31) 845. 

 notes, (28) 350; (30) 544, 653, 849; (33) 745; 



(35) 655. 

 studies, (27) 2.53, 548; (.35) 51. 

 treatment, (26) 451. 

 wintering over, (28) 651. 

 Moreh, notes, (36) 243. 

 Oidium — 



in France, (37) 756. 



notes, (26) 551 ; (27) 753, 853; (32) 1,50; (33) 549. 

 studies, (29) 553; (3!) 246; (34) 650. 

 treatment, (27) 855. 

 Oregon, notes, (27) 846. 

 phylloxera, life history and habits, (.32) 57. 

 poisoning of livestock, (39) 386. 

 pruner, notes, (33) 58. 

 pruner on pecan, (38) 157. 



Oak— Continued. 



reddish or brown heartwood of, studies, (34) 849. 

 root diseases, notes, (30) 147. 

 root fungus on pear, (40) 252. 

 roots, mycorrhiza on, (37) 750. 

 scale, golden, notes, (28) 353. 

 scale, studies, (32) .5.53. 

 seeds, storage experiments, (37) 547. 

 silk, crown gall affecting, (28) 447. 

 tortrix, notes, (29) 558. 

 tree Cerocoocus, notes, (28) 159. 

 tree moth, notes, (28) 159. 

 twig blight, notes, (27) 65t. 

 twig girdler, remedies, (31) 60. 

 twig pruner, see Elaphidion villosum. 

 unit stresses for, (36) 91. 

 white rot, studies, (3.5) 655. 

 wood, Coniophora cerebella on, (39) 553. 

 wood, protection against dry rot, (27) 654. 

 wood, quality as affected by light, (27) 542. 

 wood, resistance to dry rot, (26) 7.52; (32) 150. 

 woods. North American, identification, (26) 338 

 worm, orange striped, notes, (29) 353. 

 Oakesia sessilifolia, seed formation in, (31) 225. 

 Oaks- 

 absorption of nitrogen by, (26) 443. 

 and olives, growing in close proximity, (35) 654 . 

 as affected by smoke, (31) 521. 

 bitter, notes, (36) 540. 

 cerambycid beetle affecting, (26) 59. 

 chestnut, Sphacropsis canker of, (31) 450. 

 chestnut, twig blight of, (30) 453. 

 destruction by Agrilus hilincatus, (32) 656. 

 distillation value, (32) 48. . 

 d>ing, in Westphalia, (33) 650. 

 dying, notes, (30) 655; (31) 246. 

 Emory, in southern Arizona, (27) 647. 

 food plant of purple scale, (26) 756. 

 forcing experiments, (28; 435. 

 fossil, of America, (40) 1.53. 

 germination studies, (40) 47. 

 histological variations in, (34) 440. 

 hybrid, in United States, (37) 820. 

 hybridization experiments, (40; 47. 

 Irish, composition and mineral constituents, 



(36) 804. 

 live, carpenter worm affecting, (31) 550. 

 live, insects affecting, (28) 159. 

 live, seedling structure, (27) 442. 

 of central California. (31) 839. 

 of North America, (39) 50. 

 periodicity in, (29) 442. 

 preserving, (38) 554. 

 red, cost of growing, (26) 49. 

 red, culture and value, (.34) 639. 

 red, density and porosity, (32) 47. 

 red, pith-ray flecks in, (30) 855. 

 resistance to Oidium, (40) 253. 

 root parasite of, (30) 351. 

 scarlet, disease of, (34) 448. 

 spraying with lead chromate, (31) 60. 

 valonia, bibliography, (31) 342. 

 white— 



of eastern North America, (33) 646. 



polyembryony in, (40) 226. 



ray system, (40) 1.53. 



ray tracheids in, (38) 45. 



seedling structure, (27) 442. 

 with persistent foliage, leaf structure, (35) 543; 

 (36) 330. 

 Oases, irrigation, (31) 287. 

 Oat— 



amylase, studies, (31) 609. 

 and pea hay, cost of production, (32) 527. 

 and pea silage, notes, (27) 736. 

 aphis- 

 alternate hosts, (39) 464. 



cat-tail as summer host, (37) 461. 



correct name, (38) 462. 



in Maryland, (38) 151. 



injurious to apples, (33) 253. 



notes, (31) 753; (32) 755; (40) 648. 



remedies, (36) 857. 

 blights, bacterial, notes, (40) 846. 

 bran, analyses, (26) 266. 

 by-products, analyses, (28) 464; (39) 270. 

 bv-products, paper on, (28) 74. 

 chaff, analyses, (27) 469; (29) 467. 

 clippings, analyses, (28) 464. 

 clippings, definition, (28) 98. 



