INDEX. 491 



Page. 



Lands, State, exchange with National Forests ]88 



L(isj)e!/r('sin iDoJesfd, peach pest, in\esligation8 and control work 231 



Law work, Solicitor's Oflice, summary 3S]-3'J1 



Laws — 



game, information, work of iiiological SurAev 264 



preparation and examination l)y Solicitor 381-383, 384-385, 388, 389, 396 



State, food, and druijs, stimulation l)y Federal Act 210-211 



violations, prosecution by Solicitor's Ollice, V.H7 383 



384, 385-386, 396, 396-405 

 Lead arsenate — 



investigations 413 



use in insecticides 232-234 



Leaflio]>]>er, beet, control work 242 



Lease, contracts, farm tenancy, stud v 475 



Legal work of Department, 1917. . . . ." 3S1-409 



Legislation, food administration 8-10 



Librarian, report, 1917 309-321 



Libraries — 



Bureau and Division, activities, changes, etc 316-319 



field-station, establislmient and work, 1917 318-319 



Library — 



accessions, 1913-1917 312-313 



receipts and expenditures, 1917 320 



statistics, circulation, number of books, etc 310, 311, 312, 315, 318, 321 



use and circulation statistics 309-312 



Weather Bureau, increase, 1917 60 



Lice — 



animal, treatment and control 118 



control on poultry and fai'm animals, use of sodium fluorid 237 



Lime, soil improvement, demonstration work 349 



Liming soils, studies 226 



Live stock — 



associations, cooperation with Forest Service 179-180 



conference, 1915, delil)eration and recommendations 24-25 



demonstration work. North and West 348 



disease control, demonstration work 345, 348 



extension work in Southern States 345 



gi'azing, National Forests, numbers, permits, and management 163, 



178-179, 192-193 



industry, Alaska experiment stations 332 



industry in Guam, experiments 336 



interstate commerce, sanitary work, inspections, etc 103-104 



market reports 459-460 



plant poisoning investigations Ill 



production in cane-sugar and cotton districts 127-129 



production in semi-arid and irrigated districts 80-81 



quai'antine, enforcement and violations 402-404 



rearing on reclamation projects 151-153 



Loans, interlibrary, 1913-1917 311-312 



Louisiana — 



Iberia Experiment Farm, live-stock production work 127-129 



marketing work 449 



Lumber- 

 industry, studies 193 



production, estimate for 1916 197 



Machinery, farm, investigations 477 



Maggot, traps, experiments 235 



Mail, foreign, Publications Division, work 1917 293-294 



Mailing lists — 



foreign, superAision by library ■. 816 



work of documents section. Publications 290 



work on document section, Publications Di^dsion 290 



Mallein, distribution, 1917 117 



Mammals, importations, 1917 263 



Mammif is, investigations 108 



Mandarin oranges, exception from fiuarantinc 417. 430 



