1146 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Pnife. 



Trees, citrous, diseasei^, cause 1 m 



fumifjatinn, value 148 



coniferous, injury by bark beetle, control work 148-149 



forest, diseases, studies 398-400 



pipsy-moth resL-Uuue, pxperimonts 618 



uisect.'i injurious, CDntrol work 148-149 



shade and omanii-ntal. di'^eases, control studies 137 



Trespass cases, fire, work uf Solicitor's Ofiice 257, 891, 907-908, 1070-1072 



grazin-?, work of Solicitor's OfTice 518-519, 891, 904-900, 1060-1065 



occupancy, work of Solicitor's Ofiice 891, 908-909, 1073-1074 



timber, work of Solicitor's Office 891, 900-907, 1066-1069 



grazuig, cases, 1911 and 1912 518 



timber, receipts 498 



Trespasses, National Forests, prosecution, remarks by Secretary 254-255,257 



Trice cotton, description, and growth habits 405 



Trichinae, pork, miscropic inspection 307-308 



vitality investigations 382 



Trichinosis, investigations 382 



Tropical fruits, growing, Florida and California..... 402-403, 422-424 



propagation methods, study, Hawaii 219 



storms, warnings to vessels by wireless, value, etc 37 



Truck crops, diseases, cause, control work, etc 138-139, 391, 400 



investigations 394, 456-459 



growers, special forecasts for 39 



True, A. C, report as director of the Office of Experiment Stations 819-845 



Trypanasoma evansi, use of cultiue 361 



Trypanasomes, relation to dourine, note 361 



Tubercle bacilli, investigation, results 386 



studies 108 



Tuberculin, di'^tribution by department, results 48, 171 



preparation and distribution 379 



test, accuracy 354 



testing of cattle. 352, 353 



tests, effect on animals 46, 166 



Great Britain, remarks 352 



Tuberculosis, animal, scientific studies 168 



bovine, investigations 385-387 



See also Tuberculosis, cattle. 



cattle, control studies 45-46, 166-167 



decrease in District of Columbia, Virginia, and Maryland. 46 



investigations, cooperative 354-355 



suppression, remarks 352-355 



Turpentine, distillation studies 545 



investigations, Chemistry Bureau 57, 596-597 



recovery by distillation of lumber waste 200 



Bales, National Forests 497^98 



yields and sources, enlargement, investigations 238 



Turpentines, distillation, etc., laboratory studies at Madison, Wis 71 



Turpentining, improved method, use in Florida National Forests 497^98 



Twenty-eight hour law, summary of suits resulting in judgments for Govern- 

 ment, fiscal year 1912, table 989-993 



violations, enforcement, etc., work of Solicitor 34, 



251, 892, 915-921, 989-993 

 suits, decisions, etc., 1912, comparison with 

 other years 915-920 



Ultra-violet rays, effect on milk bacteria, study 337 



Umatilla Experiment Farm, work 124 



Utah, tuberculosis investigations, cooperation 354 



Vaccination, bovine tuberculosis, experimental work 385-387 



cattle, for tuberculosis control, dangers 45-46 



Vaccine, blackleg, distribution 167-168, 367 



preparation and distribution by Animal Industry Bureau. . 47^8 



MBB against septicemia in buffaloes .' 365-366 



in blackleg control 167-168 



