950 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



I'agc. 



Tick, dog, parasites, cxportations to Italy 518 



fever, control studies ". 47-48, 537-539 



fowl, control studies 538-539 



Texas fever, occurrence in National Forests, effect, etc 401 



Ticks, cattle, eradication, cooperation of Federal and Slate authorities 205, 



24G-247, 273-274 



expenditures. Federal and State, 1909-10 205 



experiments with arsenical dips, etc 205, 273-274 



work, 1910 47-48, 



204-205, 246-247, 256-257, 273-274, 537-539 



prevalence in Honduras 256, 257 



Southern States, pecuniary losses 205 



disease-spread inpr, relation to spotted fever, notes 121, 124 



disease-transmitting, study by Entonioloo;y Bureau 121, 537-539 



Tillage, corn, weed destruction, studies and demonstration work 81 



studies 81, 333 



Timber, beetle-infested, barking, cost per tree 523 



cut. National Forests 380 



cutting from National Forests, management 382-385 



engineering studies 414 



free use on National Forests, permits 386 



injury by woodpeckers 552 



National Forests, stand and distribution, cut, and free use 375, 380, 386 



physical studies 414 



rot, study proposed 285 



sales, National Forests, amount, prices, etc 95-96, 380-386 



saving of losses by insects, notes 118, 119 



trespass. National Forests, payments 385-386 



waste, utilization by Forest Service, methods 96 



Timothy, breeding experiments in Ohio 84 



improvement 359 



value as forage crop 83-84 



Tin, contamination of food products, investigations 438^39, 458, 464 



Tobacco crop, 1910, yield and value 14 



exports and imports, value, 1910 18 



hornworm, investigations 520-521 



Porto Rico, destruction by parasites, studies 518 



insects, investigations 520-521 



investigations, review GS-69, 315-318 



production per acre, increase since 1886 27, 28 



variations for many years 711, 712 



seed. Congressional distribution 361 



Tools, improved, increase in use, note 338 



Transportation, fruits, investigations 75-76, 344 



laws, live stock, violations, etc 248 



lemons, study 346 



live stock, need of additional legislation 52, 210 



Treasury Department, cooperation with Agricultural Department in zoology 



index-catalogue 274 



Trees, beetle-infested, disposition, and results 523-524 



drought-resistant, introduction from Asia 78 



protection from moths 113-115 



shade, intects injurious, studies by Entomology Bureau 545-546 



Trespass, grazing. National Forests 396-397 



settlements 884-885 



Tribalium ferrugi neiim, flour beetle species, studies 539 



Tropical crops, acclimatization 295 



Truck crops, diseases, investigations 286 



fertilizers, experiments 341 



insects, cooperative experiments in Virginia and Colorado 532-533 



investigations 532-534 



investigations, review of work 73 



survey, remarks 342 



See also Vegetable crops. 



Truckee-C'arson Experiment Farm, remarks 321 



True, A. C, report as Director of Office of Experiment Stations 735-766 



