590 



EXPERIMENT STATION RECORD 



Toxoptera — 



analytical key and notes, (27) 256. 

 aurantiae, notes, (26) 755. 

 coffeae, notes, (37) tj62. 

 graminum — 



destruction by birds, (29) 452. 

 embryology, (33) 748. 

 in Texas, (40) 856. 

 in the South, (39) 5^9. 

 natural control of, (31) 3.52. 

 notes, (26) 856; (30) 658; (36) 755. 

 on coffee in India, (40) 651. 

 outbreak in Kansas, (37) 561. 

 parasite of, (32) 353. 

 remedies, (34) 653. 

 muhlenbergiae, n.sp., description, (27) 256. 

 Toxorhynchites immisericors, destructive to mo- 

 squitoes, (26) 349. 

 Toxotrypana curvicauda — 



danger of introduction, (39) 467. 

 investigations, (32) 60. 

 notes, (29) 652. 

 Toxylon pomiferum as source of rubber, (29) 546. 

 Toyama, K., biographical sketch, (39) 200. 

 Trachea— 



basilinea, notes, (36) 552. 

 in warm-blooded animals, size of, (28) 375. 

 Tracheids, ray- 

 in conifers, (28) 440. 

 in Quercus alba, (38) 45. 

 in Sequoia sempervirens, (30) 744. 

 Trachoma bodies — 



culture experiments, (30) 278. 

 notes, (27) 780. 

 Trachyderes thoracicus, notes, (26) 147; (28) 858; 



(30) 454. 

 Trachykele sp. on cedar, (39) 467. 

 Traction- 

 farming and engineering, handbook, (30) 89. 

 gear, description and tests, (29) 389. 

 plowing, treatise, (26) 89. 

 Tractioneers, training, (26) 686. 

 Tractor — 

 engines — 



fuels for, r40) 190. 

 low gravity fuels for, (26) 398. 

 magneto ignition, (40) 190. 

 experience in Illinois, (39) 591. 

 farming, survey in Iowa, (38) 292. 

 hitches and adjustments for plows, (38) 88. 

 implements, need of, (26) 398. 

 plowing, see Plowing, 

 transmissions, (40) 190. 

 Tractors- 

 agricultural, notes, (29'1 185. 

 agricultural, tests, (28) 68.5. 

 bearings for, (35) 293. 

 buying, (38) 692. 

 compaction of soils by, (36) 400. 

 cost of operation, (38) 292. 

 description, (30) 291, 590. 

 directory. (36; 491. 

 drawbar rating of, (35) 791, 890. 

 economic size, (40) 190. 

 economic studies, (40) 299. 

 elBciency and tests, (27) 387. 

 enduring, design of, (40) 190. 

 engineering charts, (40) 189. 

 farm, directory and specifications, (35) 889. 

 for farms, (35) 87. 

 for intertilled crops, (26) .398. 

 for small farms, (38) 497. 

 gas, construction and operation, (35) 188. 

 in eastern farming, (40) 89. 

 standardization, (29) 185. 

 testing. (28) 200. 

 treatise, (31) 590. 

 use in Iowa, (33) 488. 

 gasoline and oil, directory and specifications, (34) 



891. 

 gears. (40) 190. 

 harvesting and plowing simultaneously with, 



(38) 390. 

 harvesting, operation, (34) 891. 

 in Idaho farming, (40) 90. 

 in Indiana farming, (40) 788. 

 notes, (27) 791. 

 oil. for the farm. (29) 893. 

 papers on, (36) 397. 

 plowing with, (31) 785; (35) 391. 



Tractors — Continued. 



qualifications, (36) 287. 

 relation of drawbar pull to weight, (34) 589. 

 repairing boilers of, (34) 890. 

 short-course instruction in, (36) 400; (38) 95. 

 small- 

 farm, paper on. (26) 789. 

 for threshermen, (33) 489. 

 paper on, (26) 789. 

 progress in, (33) 589. 

 specifications, (35) 391, 791; (37) 788, 886. 

 steam, dynamometer for, (30) 389. 

 steam, indicator for testing', (29) 389. 

 tests, (27) 791: (28) 685; (29) 86, 390; (30) 190; 

 (31) 187, 487. 590; (32) 189; (34) 589; (3.5) 293, 

 687, 688; (36) 189, 288, 389, 588, 589; (37) 387. 

 886; (38) 790, 791. 

 treatise, (38) .390. 

 .use in — 



corn belt, (35) 292. 

 Mexico, (38) 693. 

 pulling trees, (29) 389. 

 road grading, (26) 685. 

 Russia, (32) 589. 

 use on farms, (32) aS6. 

 v. horses for farm power, (31) 186; (32) 589; (37) 



227. 

 V. horses for hauling gravel, (35) 495. 

 views of users of, (33) 488, 489. 

 Trade winds of — 



Atlantic and northern European seas, (34) 118. 

 North Atlantic, relation to temperature in 

 Europe, (36) 719. 

 Traders, farmers, and agricultural organization, 



booklet, (28) 292. 

 Tradescantia^ 



discolor as affected by anesthetics, (26) 824. 

 root hairs as affected by bog water, (29) .523. 

 scopulorum, notes, (29) 441. 

 self-sterility, (.38) 426. 

 Traffic laws in relation to highway engineering, 



(40) 387. 

 Tragocephala pretiosa, notes, (29) 853. 

 Tragus racemosus, analyses and digestibility, (32) 



167. 

 Trailers, specifications, (35) 585. 

 Trails, construction in National Forests, (34) 190. 

 Trametes — 

 pini — 



effect on wood of Pinus excelsa, (33) 855. 



in India, (,34) .547. 



notes, (27) 653; (28) 241; (29) 851; (31) 348, 



547, 646; (36) 4.53; (38) 332. 

 sporophores of, (33) 552. 

 studies, (3.5) 155. 

 radiciperda infection of wood by, (33) 651. 

 sepium, notes, (27) 753 

 serialis, notes, (35) 252. 

 setosus n.sp., description, (31) 247. 

 spp. on forest trees, (40) 349. 

 Translocation in young trees, (27) 425. 

 Transpiration— 



and absorption in plants, differentiation, (26) 

 822. 

 sap ascent in plants, treatise, (33) 127. 

 sap flow in plants. (27) 222. 

 water vapor retention in plants, (29) 524. 

 as a factor in crop production, (35) 823. 

 effect on — 



plant gi-owth and distribution, (31) 625. 

 run-off, (40) 810. 

 soil moisture, (28) 218. 

 experiments with plants, (38) 223. 

 in corn and sorghums, (39) 440. 



desert plants, (27) 331; (.34) 728; (37) 129. 

 leaves, (31) 222. 



leaves at different stages, (28) 823. 

 leaves, resistance to, (28) .528; (29) 217. 

 Mangroves, (30) 30. 



plants, (27) 222. 223, 522; (31) 324; (33) 628; 

 (34) 334; (35) "633; (36) 225, 824; (37) 429; 

 (39) 122, 223, 631; (40) 27, 427, 820. 

 plants as affected by — 



altitude and habitat, (35) 732. 

 Bordeaux mixture, (39) 828. 

 environment, (34) 522. 

 rusts, (39) 26. 

 plants — 



automatic registration, (34) 729. 

 determintion, (3.5) 732. 



