INDEX. 



Bulletin 



Labor— No. 

 fruit ranches, central Wasliington. operations and 



wages ^ ■ 446 



lumbering operations in California pine region, man- 

 agement, sources, and wages 440' 



Land, National Forest, management 426 



Lang, H. L., and C. F. Walton, Jr., bulletin on " A study 



of electrolytic method of silver cleaning " 449 



Laranja — 



da terra, use in Brazil as budding stock 445 



lima, occurrence in Bahia, description 445 



Larsen, Louis T.. and T. D. Woodbtjey, bulletin on 



" Sugar pine." 426 



Larvae, bee, description and changes caused by sacbrood- 431 



Leach, B. R., bulletin on " The apple leaf-sewer " 435 



Leaf -folder, apple. See Leaf -sewer, apple. 

 Leaf-miner, spike-horned — 



an enemy of grains and grasses, bulletin bv Philip 



Luginbill and T. D. Urbahns 432 



control measures 432 



description, distribution and life history 432 



enemies 432 



history, and food plants 432 



rearing methods 432 



Leaf-sewer, apple — 



bulletin by B. R. Leach 435 



description, life history and habits 435 



enemies 435 



history, distribution and feeding habits 435 



remedial measures 435 



Leaf-worm, pear — 



bulletin by R. L. Nougaret, W. M. Davidson, and E. J. 



Newcomer 438 



control by spraying with lead arsenate 438 



control measures, experiments 438 



de.scription, habits and life history 438 



history, distribution and food plants 438 



parasitic enemies, discussion 438 



Legumes, varieties, natives of Wyoming 430 



Lemon grass — 



charasteristics, importance in perfume industry 442 



citral content — 



and oil yields of different varieties 442 



factors affecting 442 



remarks 442 



distillation 442 



fertilizer requirements 442 



growing for oil, experiments by Department, cost and 



returns 442 



oil- 

 commercial production in United States, possi- 

 bility, bulletin by S. C. Hood 442 



yields of fresh and dried 442 



propagation, cultivation and harvesting 442 



" Lciijon of flic foiv'st," (lcsci-i|il ion iiml cliiirjictfrisricK 445 



Lemons, sweet and sour, occurrence in Bahia, description- 445 



Light, rcfjiiirfments of trees In list ;. 426 



Lightning, Injury to sugar pine 426 



Lime — 



acre. re<juii-einent, various crops, experiments 441 



occurrence In Bahia, description 445 



"Lime-orange," occurrence in Bahia, description 445 



Llme-sulithur spray, use in apple orchards, time and 



purpose 446 



rs-s, 



21, 



45, 

 67, 



Page. 



&-10 

 16, 19-20, 

 29-30, 37. 

 59-60, 61, 

 68-69, 72, 

 76, 80. 94 

 30-35 



1-12 



16 

 15 



1-40 

 6-24 

 1-16 



1-20 



16 



5-7 



15-16 



2-5 



14-15 



1-16 



4-10 



11 



2-4 



11-12 



1-24 



21-22 



17-22 



4-17 



1-3 



17-18 



3 



7-8 



9-10 



6 



6 



3^ 



2-6, 11-12 



1-12 



6,8 



3-6 



32 



15 



8 



4,5 



4, 7, 12 

 15 

 15 



21 



