SUBJECT INDEX 



553 



Spraying— Continued, 

 mixtures— continued. 



increasing adhesiveness of, (28) 154. 



notes, (32) 633; (35) 356. 



preparation, (27) 357; (32) 637; (33) 47. 



preparation and use, (33) 538, 735. 



preparation witli hard soap, (39) 59. 



spreading capacity and adherence, (30) 153: 

 (32) 243. 



toxic effect on grape pollen, (33) 539. 

 notes, (28) 238; (29) 146, 436, 640; (30) 344; (31) 

 141, 533; (32) 743, 744, 751; (34) 436, 548; (35) 

 36, 94, 141, 156, 445, 838; (37) 96, 143, 453, 544, 

 699, 744; (38) 459, 541, 796, 855; (40) 256. 

 penetration method for codling moth, (31) 439. 

 penetration system, (28) 787. 

 recent developments in, (39) 548. 

 relation to beekeeping, (35) 662. 

 relation to flowering in grapes, (33) 448. 

 service in New York, Niagara Co., (39) 645. 

 Sprays — see also Insecticides, Fungicides, and 

 specific kinds. 

 acid and alkaline, comparison, (38) 756. 

 carriers and diluents for, (38) 459. 

 combination, review of investigations, (31) 848. 

 copper, see Copper, 

 double purpose, (38) 258. 

 dust V. liquid, (32) 550, 836; (37) 832; (38) 42, 



540, 551, 843, 844. 

 dust V. liquid, for apples, (31) 449; (37) 242. 

 effect on transpiration of potatoes, (31) 825. 

 oil-lme-sulphur, (40) 453, 454. 

 preparation, (39) 345; (40) 801, 843. 

 preparation and use, (26) 539. 

 repellent, effect on bees, (37) 855. 

 sulphur, preparation and use, (40) 59. 

 Spring gruss, analyses, (27) 469. 

 Spring of 1917, (37)808. 

 Springs— 



and ground water, textbook, (29) 15. 

 in California, (32) 587. 

 mineral, of Alaska, (38) 690. 

 radioactivity, (35) 618. 

 relation to public health, (29) 512. 

 Springtails — 



injurious to truck crops, (32) 353. 

 notes, (27) 656. 

 Sprocket wheel design, standardization, (36) 400. 

 Spruce- 

 accretion in lower part of stems, (31) 538. 

 aphid, notes, (27) 255; (32) 448; (33) 253. 

 aphid, outbreak in England and Ireland, (29) 



757. 

 aphis, green, notes, (32) 57. 

 as affected by origin of seed, (29) 841. 

 bark, use for paper specialties, (36) 417. 

 beetle — 



Engelmann, notes, (26) 561. 



European, life history and habits, (37) 765. 

 bud moth, notes, (26) 753; (28) 554; (30) 655; (34) 



752. 

 bud scale, notes, (33) 253; (34) 752. 

 bud scale, studies, (37) 662. 

 budworm — 



in New Brunswick, (39) 866. 



notes, (29) 252; (32) 448. 



studies, (29) 255. 

 Canadian volume tables, (26) 443. 

 Chermes, studies, (40) 262. 

 cones, insects affecting, (40) 163, 164. 

 diseases in southern .Appalachians, (31) 646. 

 Douglas, die-back disease of, (30) 751. 

 effect of early thinnings on stands, (29) 240. 

 Engelmann— 



and alpine flr, management, (33) 739. 



for telephone poles, (30) 843. 



volume tables for, (34) 041. 

 fungus disease affecting, (26) 451. 

 gall aphid, notes, (26) 146; (28) 353; (37) 255. 

 grinding for mechanical pulp, (29) 614. 

 growing with pine and beech, (27) 542. 

 growth after thinning, (38) 45. 

 growth and yield in high mountains, (34) 347. 

 insects affecting, (31) 155. 

 leaf miners, notes, (29) 256. 

 management in Saxony, (29) 342. 

 natural and artificial regeneration, (31) 537. 

 natural distribution of, (31) 444. 

 Norway- 

 absolute form quotient, (39) 247. 



52831— 26t 36 



Spruce — Continued. 



Norway— Continued. 



drought resistance, (38) 44. 

 fissures in, (29) 240. 

 weevil injurv, (39) 159. 



of Rocky Mountains, (34) 742. 



red, growth and management, (38) 146. 



red, reproduction, (38) 45. 



regeneration in high altitudes, (26) 443. 



reproduction, (39) 145. 



rust diseases, studies, (35) 155. 



rust, new, (39) 254. 



sawfly, notes, (38) 257. 



scale, studies, (37) 662. 



seeding habits, (37) 45. 



seedlings — 



absorption of fertilizers by, (26) 443. 



as affected by shade and moisture, (-39) 751 



fertilizer experiments, (32) 47. 



seeds, germination tests, (27) 444. 



selection experiments in Austria, (38) 545. 



Sitka, rots of, (40) 349. 



stands, effect on soil physics, (26) 140. 



stands, light measurements in, (26) 745. 



sulphite pulp from, (38) 809. 



thinning experiments, (35) 241. 



timber estimating tables for, (36) 345. 



turpentine, toluol from, (39) 209. 



unit stresses for, (36) 91. 



volume and value accretion in, (29) 747. 



white, in Minnesota, (38) 146. 



wood coloring in, (27) 527. 



wood, ethereal oils of, (29) 504. 



wood, investigations, (28) 642. 



wood, production of turpentine from, (25) 413. 



yield as affected by early thinning, (31) 444. 



yield tables, (27) .348. 

 Sprue, review of investigations, (36) 363. 

 Spuraaria alba, notes, (27) 649. 

 Spurry — 



as affected by liming, (39) 117. 



as coffee substitute, (40) 508. 

 Sputum- 

 gathering from bovines, (27) 382. 



organisms, fragmentary, (31) 380. 



tuberculous, bacilli in, (31) 380. 



tuberculous, chemical properties, (29) 782. 

 Squabs — 



national standard, (30) 175. 



raising, (33) 872; (40) 280. 



raising and marketing, (37) 775. 

 Squalls, paper on, (31) 213. 

 Squash — 



borer, notes, (39) 765. 



borer, remedies, (37) 254. 



capsid, notes, (29) 453. 



disease, studies, (36) 848. 



lady beetle, see Epilachna borealis. 



leaf spot in Indiana, (39) 52. 



mosaic, notes, (39) 853. 



sclerotinia diseases, (40) 49. 



seed cake, digestibility, (28) 464. 



seeds, large v. small, (31) 634. 



seeds, oil from, (39) 9. 



vine borer, studies, (33) 255. 

 Squashes- 

 asexual reproduction of seeds, (31) 533. 



breeding experiments, (26) 838; (37) 240. 



calcium content, (39) 747. 



culture, (26) 539. 



culture experiments, (32) 132; (37) 742. 



effect on following crop, (38) 337; (40) 135, 623. 



fertilizer experiments, (37) 742. 



fruit thinning experiments, (27) 741. 



Hubbard — 



breeding and marketing, (29) 830. 

 selection experiments, (40) 740. 



inheritance in, (27) 740; (39) 747. 



mulching v. clean culture, (33) 534. 



use by prehistoric Americans, (38) 167. 



water requirement, (32) 127. 

 Squatarola squatarola cynosurae near Washington, 



(40) 161. 

 Squeezer for cattle, description, (26) 385. 

 Squirrel-tail grass — 



geographical distribution, (26) 334. 



in Iowa, (39) 842. 

 Squirrels — 



care and feeding, (28) 173. 



conifers damaged by, (26) 552. 



