INDEX. 673 



Tea— Page. 



Inspection Act, administration 288 



substitute, cassina 261 



Teachers 



agricultural, training and cooperation vnih ^ 417-419 



conferences, States Relations Service cooperation 417, 418, 419 



Technology, agricultural chemical, projects 257-272 



Telegraph Division, Weather Bureau, report 85-88 



Telephone lines. Weather Bureau work, report 85-86, 87 



Temperature, normals, preparation 93 



Tenny, L. S., in charge of cooperative relations, Markets Bureau 338 



Teosinte, perennial, tests as forage plant 168 



Terminology board, need in Department 379 



Testing, cotton, for spinning value 523 



Texas — 



cattle-breeding industry 106 



cattle-tick quarantine areas released in 1922 136 



pink bolhvorm, control work 26 



Thrasher explosions, causes and control ' 269 



Thymol, production from cymene 274 



Tick- 

 cattle, investigations in Porto Rico 431 



Eradication Division, report of work 136-138 



Ticks, cattle, eradication progress 100-101, 136-137 



Timber — 



management in National Forests 216-219 



sales from National Forests, 1921 216-217 



supply, decrease 195-197, 243 



Timberland, purchase extension 31 



Timbers, strength, studies 240 



Toads, food habits, investigations 349 



Tobacco — 



insects, control experiments 319 



statistics, acreage and production, 1910-1922 53, 56 



Tomato, products inspection 283 



Toxatrypana curvicauda, control 312 



Traffic- 

 highway, State surveys 494-495 



manager, appointment 43 



Trails, National Forests, construction and cost 34, 232-237 



Trametes pini, cause of losses in Douglas fir 189 



Transportation, live stock, interstate 132-133 



Trapping, insect, experiments in Virgin Islands 437 



Trees, insects affecting, investigations 321-324 



Trialeurodes floridensis, control 311 



Truck crops, insects investigations 314-317 



True, A. C, report as Director of the States Relations Service 413^59 



Tuberculin — 



distribution, 1922 153 



preparation, decrease in cost 47 



purity and potency measurement, studies 160 



testing of cattle, statistics 99, 142-143 



Tul)erculosis — 



bovine, eradication 24, 99-100, 138-143 



bovine, investigations 159-160 



control in hogs 142 



diagnosis 147 



efadication — 



conferences 99, 143 



Division, report of work 138-143 



from areas, progress 100, 140-141 



publicity work 143 



Turkeys, bronze, breeding experiments, Arizona * 113 



Turpentine, investigations and standards 265-267 



Twenty-eight-hour law, violations and penalties 590 



Twine, binder, libers production 1 75 



