550 INDEX. 



Ladybird Page. 



bean, control by sprays 257 



inv estigatione 255 



Lacey Act, game protection, enforcement, 1919 296-298, 491-492 



Land 



claims, National Forests, work of Solicitor, 1919 476 



settlement, needs of new settlers 21-22 



Lands, farm, area expansion, settlement, tenancy, etc 18-24 



Lantern slides, educational, States Relations Service 356, 358 



Larkspur, eradication on forest ranges : 191-192 



Laws 



administration by OlBace of Solicitor 476-495 



agricultural, enforcement by Solicitor 480-495 



bird protection, administration 284, 288, 293-296 



food and drugs enforcement by Chemistry Bureau 211, 212-218 



state, cooperation in Federal Aid Road Act 395-396 



violations, prosecution by Solicitor, 1919 475, 477, 481, 482-492 



Lead 



arsenate, insect control 252, 253, 254, 257, 267 



occurrence in zinc oxid, studies 227 



Leafhopper, beet, investigations 257 



Leaftier, celery, control 257 



Leases, preparation by Solicitor 473 



Leather, tanning, waterproofing, etc. , investigations 232 



Legal work 



department, summary 469-476 



Forest Service 469-470, 476-479 



Legislation beneficial to farmers, j)ast action and future steps 42-45 



Lemon terpene, misbranding, decision 214 



Lemons, cull, utilization 223-224 



Librarian, report, 1919 337-352 



Libraries, bureau, division, and office, work, 1919 347-349 



Library 



accessions, 1919 339-340, 349, 351 



Weather Bureau, progress, 1919 70 



work, summary, and personnel changes 337-338, 345-347 



Lice 



cattle, control 131 



control, investigations 269 



hog, control 131 



Lilies, Easter, investigations 149 



Lime 



citrate, manufacture from citrus fruits 223-224 



effect on phenol and cresol germicidal efficiency 127 



Linters, use in paper making, studies 207 



Live stock 



associations, cooperation with Forest Service 193 



conditions in Europe after the war 3 



dealers, supervision work of Markets Bureau, 1919 428, 458-459 



destruction by predatory animals 277-278 



economics, studies. Farm Management Ofiice 465 



estimates, demand for 332, 333-334 



extension work 369, 370, 380, 385 



feeding, experiments 80-81, 82, 84, 85, 87, 100 



grazing on National Forests, receipts, numbers, etc 181, 190-193 



increase since 1910 4, 7 



market news service 447-449 



number on farms, 1900-1919, and exports, statistics 7, 10 



plant-poisoning investigations 123 



quality improvement by better sires 78 



raising in Alaska 361 



reportmg, Bureau of Crop Estimates 29-31 



sanitary work in interstate commerce 112 



transportation and quarantine, law, violations 113 



Livingston, George, report as Chief of the Bureau of Markets 427-461 



Loans, interlibrary 1919 339,350 



Logging management to prevent insect injuries to timber 259 



