SUBJECT INDEX 



545 



Soils— Continued. 



sulphur — continued. 



oxidation in, (34) 19. 



transformation in, (33) 815 



treatment, (34) 540. 

 surface area, (33) 216; (34) 419. 

 surface forces, measurement, (35) 733; (36) 319 

 Susquelianna fine sandy loam, (26) 518. 

 swamp, see Swamp, 

 swamping, (27) 121. 

 tea, of Java and Sumatra, (39) 423. 

 testing, (31) 215. 



textbook, (33) 398; (38) 196; (40) 396. 

 thermal diffusivity and water content, (28) 421. 

 thufur or hilly, of Iceland, (30) 515. 

 tillable, of Roumania, (27) 217. 

 tillage, (29) 634; (33) 97. 



tobacco- 

 analyses, (35) 720; (36) 628. 

 cultivation, (36) 513. 

 of Deli, (29) 815. 

 of Java, (37) 419. 



toxicity, amelioration, (37) 519 



toxicity due to aldehydes, (40) 22. 



toxins of, (39) 423; (40) 23, 728. 



translocation of calcium in, (40) 719. 



translocation of salts in, (38) 417. 



treatise, (26) 215; (27) 821; (31) 118, 719; (34) 321, 

 716, 793; (35) 214, 421; (36) 114, 617. 



treatment, (26) 520, 539. 



Trinity clay, (26) 119. 



tropical— 



Azotobacter in, (30) 218. 



black color of, (34) 217. 



fertilizer needs, (31) 723. 



mechanical analyses, (26) 719. 



selection, (29) 727. 

 truck, of Atlantic coast region, (29) 416. 

 usar and regur, of India, (29) 514. 

 use and abuse, (27) 95. 

 valuation, (37) 18. 

 value of field study, (26) 434. 

 vanillin in, (40) 24. 



variability in and its significance, (39) 815. 

 ventilation and drainage, (34) 217. 

 viable weed seeds in, (29) 836. 

 virgin and cultivated, bacterial activity, (32) 



216. 

 volcanic, of Japan, (29) 18. 

 volcanic, of St. Vincent, (37) 420. 

 volcanic, petrography, (32) 419. 

 Volusia loam, (27) 18, 319. 

 Wabash clay, (26) 119. 

 warping, in England, (29) 514. 

 washing, (39) 322. 

 water capacity, (26) 218, 619; (28) 622; (31) 313; 



(34) 494. 

 water capacity and hygroscopic coefficient, (37) 



117. 

 water capacity, minimum, (30) 121. 

 water content, (37) 116. 

 water-logged, infertility, (37) 19. 

 water-logged, reclamation, (33) 88, 392. 

 water movement in, (26) 619; (28) 219. 

 water-soluble nutrients in as affected by lime, 



(40) 124. 

 water-supplying power, (34) 721. 

 wet and dried, bacterial activity, (27) 121. 

 wet, importance of draining, (28) 796. 

 wheat, of Cape Province, (37) 622. 

 white, notes, (30) 213, 515. 

 white, of upper Weser River, (31) 513; (34) 16. 

 wilting coefficients, (31) 522; (40) 22. 

 Wisconsin drift, management, (34) 722. 

 zeolitic compounds in, (33) 119. 



Solanaceae — 



abscission in, (39) 226. 



tokra disease, (39) 146. 

 Solanaceous plants, brown rot of, description, (31) 



745. 

 Solandra longiflora, to.vicity, (38) 782. 

 Solangustin, isolation and properties, (32) 309. 



Solanin— 



as a potato poison, (34) 164. 

 determination in tomatoes, (34) 255. 

 effect on potatoes, (28) 528. 



52831— 2Gt a.l 



Solanum— 



angustifolium, constituents of, (32) 309 

 caldasii, bud mutations in, (33) 222. 

 commersonii — 



culture experiments, (28) 738. 



description and culture, (36) 637. 



mutations in, (35) 330. 



tests, (26) 437. 



tubers of, (31) 529. 



variation in, (28) 130. 

 darwinianum, notes, (32) 726. 

 elaeagnifolium, chymase of, (36) 412. 

 fendleri hybrid, studies, (40) 131, 241. 

 graft hybrids of, (33) 429. 

 grafts between various species, (31) 740. 

 incanum, analyses and digestibility, (27) 871; 



(32) 167. 

 lycopersicum, carotinoid content, (31) 803. 

 maglia, bud mutations, (27) 230. 

 muricatum, tests, (27) 741. 



n. spp., descriptions, (31) 425. • 



nigrum — 



crossing experiments, (35) 445. 



crossing with prairie berry, (34) 146. 



mineral nutrition, (28) 224. 

 rest periods, (40) 223. 

 rostratum, description, (38) 539. 

 spp., bud mutations of, (28) 530. 

 spp., bud variations in, (29) 829; (30) 433, 529, 



730. 

 spp., studies, (26) 529. 

 spp., variations in, (26) 433. 

 torbum, grafting eggplants on, (33) 139. 

 tuberosum, endophytic endodermal fungus in, 



(32) 643. 

 tuberosum, origin, (31) 833. 

 tubingense, description, (27) 31. 

 wild tuberiferous, descriptions, (31) 824. 



Solar — 



activity— 



and atmospheric optical phenomena, (34) 

 614. 



and planetary phenomena, (35) 618. 



relation to rainfall and magnetic storms, 

 (38) 15. 

 atmosphere, motion of, (31) 615. 

 atmosphere, structure, (38) 811. 

 corona, rotation, (34) 414. 

 coronae, (38) 812. 

 corpuscular rays, (36) 419. 

 eclipse at Honolulu, (34) 118. 

 halo at Miami, Fla., (36) 718. 

 halos, notes, (29) 121; (32) 25; (33) 717. 

 photosphere, spectrum and temperature of, (34) 



413. 

 radiation— , ,. ,^,. ^„^^ 



and sky radiation at Madison, W is., (35) 

 419. 



as affected by clouds, (28) 315. 

 radiation intensities — 



and air temperature, relation, (32) 24. 



at Madison, Wisconsin, (28) 315. 



at Mount Weather, Va., (31) 615; (32) 614. 



at Washington, (32) 810. 



radiation^ 



measurements, (3,5) 115; (38) 114. 



papers on, (33) 320, 717; (34) 413, 614. 



seasonal variations in, (34) 415. 



variations in, (37) 417. 

 rays, decomposition of water by, (28) 416. 

 variability, (35) 619. 



beetles, fungus diseases of, (26) 252. 



bug, green, studies, (32) 247; (37) 258; (38) 197. 



Soldiers and sailors— 



agi-icultural instruction for, (36) 794; (38) 299, 

 (39) 98, 699; (40) 591. 



employment in ?:ngland and Wales, (35) 296. 



farm work for, (30) 392; (38) 293; (40) 790. 



forestry pursuits for, (40) 898. 



land settlement for, (36) 290, 097; (37) 190; (38) 

 791; (39^ 89, 648, 702; (40) 389, 591, 687, <90. 



rehabilitation, (40) 793. , . „ i ««i 



rehabilitation, cooperation of agricultural col- 

 leges in, (39) 708. 

 Soldiers, Arab, feeding, (33) 68. 



