INDEX. 7 



Bulletin 



Cooperation — No. Page. 



butter shipments, practices of creameries 456 15 



organization for handling and marketing cotton, 



advantages 457 13 



Coot, flavor of flesh, cause 467 9 



Copper sulphate, use on soil to prevent damping-off of 



pine seedlings, experiments 453-^ vk 17 id 



Corn — 



fodder and stover, protein content and energy value 



of dried and green products 459 11 



oil, nature and food use 469 14 



protein content and energy value 459 12 



silage, protein content and energy value 459 12 



test weight per bushel under different conditions 471 5-8 



Corn-and-cob meal, protein content and energy value 459 12 



Corticum vagum, cause of damping-off of coniferous 



seedlings, note 453 1 



Costa Rica- 

 crops, four principal, acreage 473 27 



sugar industry, history and extent 473 27 



Cotton — 



" city crop," 1915, amount and condition 458 8 



cooperative investigations in Imperial Valley 1915 458 1-2 



depreciation in price, relation to clean picking 458 3 



Durango — 



classing by official cotton standards 458 12-13 



clean picking, necessity, influence on grades and 



prices 1 458 2,4 



Growers' Association, direct marketing,, method- 458 16-17 



handling and marketing in Imperial Valley, 



bulletin by J. G. Martin and G. C. White 458 1-23 



length and character of staple, factors influenc- 

 ing 458 13-14,17 



handling and marketing — 



economies, suggestions 457 12-13 



in South, investigations, methods and results 457 2-13 



Imperial Valley, transportation facilities and rates_ 458 17-22 



Price variations, factors influencing 457 3-6 



Prices — 



average for same grade by month in cotton 



States 457 2-6 



in Imperial Valley, variation in relation to 



quality 458 3 



primary market, relation to qualities, bulletin 



by Fred Taylor 457 1-15 



publications on, list of Department 458 23 



qualities, relation to primary market prices, 



bulletin by Fred Taylor : 457 1-15 



" round-lot " sales, comparison with single-bale 



sales 457 8 



seed, picking and care 458 4-5 



selling on net weight, economy 457 13 



staple length and prices in cotton States 457 8-10 



tinged and stained, variations in prices, in cot- 

 ton States^ 457 10-12 



Cottonseed — 



oil, nature, food use and value 469 13 



protein content and energy value 459 12 



Cowlilies, description, habitat and value as dusk food 465 35-36 



Cowpea — 



hay, protein content and energy value in green and 



dried product __ 459 11, 12 



silage, protein content and energy value 459 12 



Cowpeas, protein content and energy value 459 12 



