99S 



EXPERIMENT STATIOlSf RECORD. 



[Vol. 43 



Thuja seedlings, fungus attacking, 40. 

 Thunderstorms, distribution in United 



States, U.S.D.A., 119. 

 Thymolphthalein, use as indicator, 10. 

 Thyridoptcryx ephemeraformis, (See Bag- 

 worm.) 

 Thyroid — 



and pituitary gland, correlation, 770. 



changes in deficiency disease, 664. 



gland extract, effect on polyneuritic 

 pigeons and tadpoles, 865. 



material, effect on plant growth, 225. 

 Tibicen scptendccim. (See Cicada, 17-year.) 

 Tick — 



fever. (.See Texas fever.) 



fever, Rhodesian. (See African coast 

 fever.) 



worry. In Queensland, 182. 

 Ticks — 



migration and reaction to light, 164. 



relation to piroplasmosis, 83. 



(See also Cattle tick and Fowl tick.) 

 Tides, role in rice irrigation, 689. 

 Tile drainage. {See Drainage.) 

 Tillage machinery, notes, 892. 

 Tilletia — 



sp. on wheat, 347. 



spp., notes, 445. 

 Tilia americiuia, foliar transpiring power, 



223. 

 Timber — 



census of New York, results, 748. 



depletion, remedies, U.S.D.A., 649. 



dry rot, notes, 350. 



estimation, volume tables, 443. 



growth, collection of data, 748. 



line, relation to climatic factors, 840. 



measurement, " absolute form quo- 

 tient," 149. 



" pooli," mechanical properties, 483. 



preservation, processes, 283. 



trees, Nigerian, 840. 



warped and Reasoned, tests, 789. 



(See also Lumber and Wood.) 

 Timberland insurance, factors affecting, 



149. 

 Timothy — 



effect on nitrate formation in soil, 

 215. 



leaf spot, 752. 



seed, longevity of, 832. 



vitamin A in, 165. 



wheat-head army worm affecting, 55. 



yield on irrigated wild meadows, 

 Oreg., 22. 

 Titration — 



curves, colorimetric determination, 11. 



electrometric, 803. 

 TNT. (See Trinitrotoluol.) 

 Tobacco — 



as affected by soil electrification, Ky., 

 824. 



burning quality, relation to grain. Pa., 

 534. 



Connecticut Valley, production, Mass., 

 141. 



Tobacco — Continued. 



culture experiments, 637 ; Can., 336, 



735. 

 culture, Mass., 830. 

 culture, history, U.S.D.A., 437. 

 culture in Spain, regulations, 35. 

 cured, factors affecting colar, 637. 

 curing experiments, Ky., 824. 

 cutworm, control. Can., 337. 

 Deli, selection experiments, 831. 

 disease, notes, 445. 

 diseases, control, Mass., 845. 

 fertilizer experiments. Can., 336, 735 ; 



Ky., 331, 824 ; Mass., 830 ; N.C., 



425, 434 ; Pa., 533 ; Tex., 33. 

 flue-cured, diseases, 245. 

 grain, defined. Pa., 534. 

 harvesting experiments, N.C, 434. 

 harvesting, method, Can., 337. 

 horn worm, control. Can., 337. 

 insects affecting in Rhodesia, 52. 

 leaf spot, notes, 246. 

 marketing, Mass., 141. 

 mosaic, control, 548 ; Can., 735. 

 root knot, notes, 246. 

 root rot, control, 447 ; Can., 735. 

 root rot, notes, 246 ; Mass., 845. 

 rotation experiments, Ky., 332, 824. 

 seedlings, Pythium gracile on, 652. 

 selection experiments, Pa., 533. 

 soils, classification, Ma.ss., 831. 

 spacing and topping experiments. Pa., 



534. 

 substitutes in Germany, 204. 

 tokra disease, 445. 

 use as vermifuge, Okla., 80. 

 variety tests. Can., 336, 735 ; Md., 



134 ; Pa., 533. 

 wilt, notes, 245. 

 worms, studies, Ky., 350. 

 yields, factors affecting, Mass., 830. 

 Tomato — 



bacterial wilt, control. Pa., 549. 

 blight, late, comparison with potato 



late blight, 447. 

 blight, late, control, 246. 

 blight, studies, Md., 151. 

 blights, 243. 



blossom drop, notes, Okla., 36. 

 brown rot, 154. 

 curly top, notes. Pa., 548. 

 disease, new, 544. 

 diseases in Victoria, 154. 

 diseases, key and remedies. Can., 348, 

 diseases, notes, 151 ; Pa., 548. 

 edema, control, Pa., 549. 

 end rot, 243. 



fungus disease, studies, 447. 

 Fusarium disease, studies, Ind., 345. 

 Fusarium wilt, notes, 243 ; Okla., 36. 

 Irish blight, notes, 154, 244. 

 leaf blight, control, Md., 151. 

 leaf spot, control, 846. 

 leaf spot, notes, Okla., 44. 

 mosaic, 243. 

 mosaic, studies, Ind,, 345, 



