1128 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Pit ire. 



LawB, State, forestry, compilation, and assistance by Forest Service 537 



See also Solicitor's report. 



Laysan Island Bird Reservation, conditions 84-85 



report, 1912 673 



Lead adulteration of food, investigations 577, 581 



arsenate, use in boll-weevil poisoning 625-626 



insect control 620, 625-626, 627 



moth spraying 620 



Leaf curl, cotton, cause and cotton 407 



roll, potato, control work 138 



Leaf-aphis, com, studies 641 



Leaf-beetle, com, southern, investigations 640-641 



Leafhopper, grape, investigations 638 



Leafhoppers, control investigations 641 



Leaf-miner, injury to alfalfa, studies 641 



Leaf-roller, fruit-tree, studies 639 



Leaf-spot, sugar beets, control work 139 



Leather and paper laboratory, Chemistry Bureau, work and proposed work... 595- 



598, 604 



investigations. Chemistry Bureau, and proposed work 595-596,597,604 



making, investigations by Chemistry Bureau 199-200 



Leathers, studies by Chemistry Bureau 57 



Lecanium, peach, studies 639 



Lecture work of Farmers' Institute Office 217 



Roads Office 210 



Lectures, work of Forest Service, cost and number 468, 549 



Legal business. Forest Service, handled by Solicitor, record since February, 



1910 .- 257 



Legislation, forestry, by States, assistance of Forest Service 537 



See also Law; Laws. 



L^umes, annual, note 122 



forage, introduction 120 



improvement by pure-culture inoculation 139 



Librarian, report, 1912 799-817 



Libraries, list from which books were borrowed by department, 1912 803-804 



Library, Department, accessions, 1910, 1911, 1912 805-806 



appropriation, disbursements, etc., 1912 688 



collections, catalogues, growth, etc 228-229 



estimates and appropriation for 1913 703, 707 



exchanges and mailing lists 810 



expenditures, 1912 800 



growth, review of work, etc 95 



historical sketch 812-815 



interlibrary loans 803-804 



oflficers, titles, and salaries 1091 



relation to agricultural colleges and experiment sta- 

 tions 810-812 



report, 1912 799-817 



use, 1912 802-804 



Roads Office, report, 1912 885 



Weather Bureau, number of books and pamphlets, additions, etc. 191, 290-292 



Light burning of forests, destructive results 67, 501 



Lightning, cause of forest fires 500, 501 



protection system, economical installation 288-289 



Lime, use in tobacco wireworm control 627 



on western soils - 123 



Lime-sulphur solution, use iq spraying for control of apple and peach diseases. 137-138 



value as fungicide for plants 397 



wash, use and value in San Jose scale control 146 



Lip-and-leg ulceration of sheep 348 



Liquors, malt, composition study 576, 583 



"Little peach," control work 138 



Live stock associations in dairy farming 327 



contagious diseases, quarantine law enforcement 249-250 



diseased, interstate movement, law enforcement 920-921 



diseases, investigations, control studies, etc 45-48 



