12 



DEPAETMEis-T OF AGRICULTUEE BULS. 426-450. 



Bulletin Page. 



Ts^EwcoMEB, E. .J., R. L. XouGAKET and W. M. Davidson, No. 



bulletin on " The pear leaf-worm " 438 1-24 



North Dakota, wheat growing experiments 450 4-18 



NouGAEET, R. L., W. M. Davidsox and E. J. New- 

 comer, bulletin on " The pear leaf-worm " 438 _ 1-24 



Oakley, R. A., and Samuel Gae\'ee, bulletin on " Medi- 



cago falcata, a. yellow-flowered alfalfa" .- 428 1-70 



Oats- 

 production; failure at Archer, Wyo.. 1913 430 26. 39 



varietal experiments, Cheyenne experiment farm, 



1913-1915, 430 26-30, 39 



Oil— 



lemon-grass — 



citral content. Importance 442 5-6 



commercial production in United States, possi- 

 bility, bulletin by S. C. Hood 442 1-12 



loss by drying and distillation 442 6-7 



solubility in alcohol 442 10-11 



uses and sources of production 442 1-2 



palm, Guinea, occurrence, growth habits, fruit and 



uses 445 24-25 



soy-bean — 



extraction methods. United States and Europe 439 9-11 



uses, experiments 439 15-16 



Opius — ■ 



aridus, parasitic enemy of spike-horned leaf-miner 432 16 



dimidiatus, parasitic enemy of spike-horned leaf- 

 miner 432 16 



Orange — • 



bitter or sour, occurrence in Bahia, description 445 15 



Natal, occurrence in Brazil, description, etc 445 16, 17 



navel — ■ 



and other fruits, bulletin by P. H. Dorsett, 



A. D. Shamel, and Wilson Popenoe 445 1-35 



Bahia and California grown, value comparison, 



analyses 445 18-15 



introduction into United States 445 4-6 



origin, history, culture, and extent of industry 



in Bahia 445 1-2,3^,7-15 



propagation in Bahia, budding, planting, etc., 



methods 445 9-111 



Pera, occurrrence in Brazil, description, etc 445 17 



S electa — 



cultivation in Bahia, and description 445 2-8 



occurrence in Brazil, description 445 16-17 



trees, Bahia, insect enemies and diseases 445 11-12 



Washington navel, adoption of name 445 5 



Oranges — 



Bahia, crop-ripening seasons yield, selling methods, 



price, shipping adaptability 445 12-13 



growing in Rio de Janeiro, varieties, acreage, 



methods, yields, etc 445 16-17 



navel, distribution in California and Florida 445 5-6 



Orchard, apple, depreciation 446 2 



Orcharding, apple — 



costs, and labor, per acre and per box, Wenatchee 



Valley, Wash 446 33-35 



Washington, Wenatchee Valley, practices, cost, 



etc 446 2-351 



Orchards — 



apple, cultivation, irrigation and spraying, praptices 



in Wenatchee Valley, Wash 446 10-26 



management, operations and cultivation, practices 



in Wenatchee Valley, Wash 446 10-26 



orange, in Bahia, situation and soil conditions 445 7-8 



Pecos Valley, N. M., danger from codling moth, ex- 

 periments and investigations 429 1-90 



