INDEX. 417 



Laws — Continued . 



State— . . P^g*- 



farmers' cooperative associations 365-366 



organization of drainage districts 311 



relating to commission business 369 



violations, prosecution by Solicitor 334-336, 337-343 



Laysan Island, bird destruction by poachers 242 



Lead arsenate — 



for sprajdng, preparation and tests 349 



use against vegetable insect pests 226 



value in control of tobacco insects 217 



Lead, determination in baking powders 195 



Leaf roller, strawberry, control 227 



Leafhopper, beet, life history, study, and control 226 



Leases, preparation by Solicitor 345 



Leather, durability, studies 194 



Lectures, Roads Office, work of year. 321 



Leghorn hens, egg production, experiments 88-89 



Leguminous cover crops, Porto Rico, experiments 304-305 



Letters patent, applications, handling by Solicitor 331, 344-345 



Lettuce, shipping by parcel post, experiments 379 



Librarian, report, 1915 283, 293 



Libraries, biueau, division, and office — 



changes during year 285-286 



statistics 288, 293 



Library — 



accessions, 1911-1915 284,290 



Department, report 283-293 



Forest Service, accessions, 1915 189 



uses, books loaned, etc., 1914, 1915 285, 288 



Weather Bureau, accessions and special work 72-73 



Lime — 



arsenate, value as insecticide for orchards 215 



determination in butter 195 



use in soil management, studies 208 



Lip-and-leg ulceration, sheep, inspection 112-113 



Live stock — 



affected with foot-and-mouth disease, disposal, cost to Government and 



States 12, 13 



associations, cooperation with Forest Service in grazing regulations 172 



breeding, Porto Rico, progress, 1915 305 



diseases — 



appraisement for slaughter by Government, basis 19-20 



losses from _ 10 



export, inspection work 115-116 



importations, inspection in British ports 114-115 



imports — 



inspection work 113-115 



quarantine, ports of entry, etc 114 



industry — 



Guam, progress 306 



promotion by forest range regulations 47 



inspection at market centers 112 



interstate transportation, inspection work 11 1-112 



losses — 



from diseases - - 10 



I'rnm poisonous plants 148 



in National ["uresis from all causes, year 1914 173 



marketing, .studies o8 1-387 



ports of entry, number, inspection, etc 114 



production — 



estimating inipru\ement in organization 28t)-281 



in sugar-cane and cotton districts, experiments 141-142 



quarantine law, enforcement 341 



reports, study - . - - 386 



transportation, violation of laws, investigations 113 



Live-stock markets, centralized study 385 



22814°— AQR 1915 27 



