1004 



EXPERIMENT STATION EECORD. 



Tin — Page. 



absorption and fate in the body 362 



poisoning from canned asparagus 67, 461 



Tiphia spp. , parasitic on May beetles 458 



Tipula spp. , of Nortli America 551 



Tiqui-tiqui, notes 258 



Tissues, lecithin content 577 



Titanium- 

 concentration ia subsoil, U.S.D.A 720 



distribution in loam soils 618 



Toads- 

 eating of alfalfa weevil by, U.S.D.A 655 



in Peimsylvania 648 



Toadstools and mushrooms, handbook 628 



Tobacco — 



as affected by cheese-cloth shade 326 



bacterial disease, notes 127, 539 



barium and arsenic in 715 



black rot, treatment, Wis 840 



black rust, studies and bibliography 149 



blackleg or canker, studies. Wis 448 



breeding 138 



cost of production 530 



culture 524 



culture experiments 733 



culture in Ireland 530 



curing, studies, U.S.D.A 115 



diseases, descriptions and treatment. 



Wis 448 



diseases in Dutch East Indies 540 



diseases, notes 841 



fertOizer experiments 733, 738, 821 



fertilizer experiments, Ohio 430 



fertilizer experiments. Pa 438 



fertilizer formulas for, N.C 628 



flea-beetle, notes 452 



green manuring experiments 230, 233 



gummosis, disease resembling 544 



hollow stalk, studies. Wis 448 



hornworms, remedies, U.S.D.A 454 



in bread 857 



Insects affecting 452 



insects aflecting, Hawaii 249 



insects aflecting, Wis 453 



mosaic disease, characteristics 345 



mutation in 43 



phyllodiniation or string leaves of, Conn. 



State 641 



plant, enzjrms of 204 



resistance to hydrocyanic gas 747 



root rot, treatment. Wis 840 



seed beds, steam sterilization. Pa 437 



seed , planting directly in field 233 



seed, production 138 



seeding experiments. Pa 438 



"Stewart Cuban" variety, Conn. State... 334 



thrips aflecting 249 



variation in 138 



varieties 733 



varieties, Ohio 430 



varieties resistant to root rot 448 



wilt, description 745 



wireworm, studies, U.S.D.A 253 



Toluene as a soil disinfectant 27, 621 



Toluol, eflect on nitrate accumulation in soils. 



Mo 423 



Tomato— Page. 



blossom-end rot, notes 447, 644 



clubs, suggestions for 793 



disease in northern Italy 748 



diseases, notes. Ark 644 



diseases, notes, Fla 747 



diseases, notes, N.C 644 



filiform leaf, characteristics 345 



Grand Rapids disease, description 745 



leaf mold, notes 644 



mosaic disease, studies and bibliography. 52 



root knot, description 52 



seeds as a cattle feed 663 



sleeping disease, description 49 



soups, condensed, examination, N . Dak . . 658 



Tomatoes- 

 carbon dioxid for 532 



culture 298 



culture, Ind 44 



effect on composition of urine 761 



growth on sterilized soils 336 



irrigation, N .Mex 782 



irrigation experiments 732 



preserved, analyses and adulteration 358 



varieties 47 



varieties, Ga 439 



varieties. Pa 236 



varieties, U.S.D.A 835 



Tornadoes, prediction, U.S.D.A 213 



Tortrix foTskaleana, life history 157 



Tourmaline, decomposition by soil bacteria 



and yeast 121 



Towels, roller, relation to typhoid fever 68 



Toxic — 



solutions, determination of antagonism . . 627 

 substances, determination of minimal 



lethal dose 80 



Toxins — 



detection in food 207 



formation by plants 627 



soil, formation .' 620 



Toxoptera graminum, natural control 352 



Tractors- 

 gas, treatise 590 



tests 187,487,590,785 



V. horses for farm power 186 



Trametes— 



piwi, notes 348,547,646 



se<o««s n.sp., description, U.S.D.A 247 



Transpiration- 



eflect on plant growth and distribu- 

 tion 625 



in leaves 222 



in plants 324 



in plants in winter 728 



Transpirometer, recording, description •32 



Tree- 

 crickets, studies, N.Y.State 649 



diseases in Mecklenburg 343 



diseases in southern Appalachians 348, 646 



diseases, notes 845 



growth rings and rainfall, relationship . . . 716 



planter, mechanical, description 341 



seeds, testing methods 639 



surgery, notes 646 



surgery, notes, U.S.D.A 340 



