INDEX. 



Bird- 

 migration, record of herring gull "Dick," Newport, R. I. 

 reservations, resorts for gulls 



Birds- 

 enemies of grasshoppers 



North American gulls and their allies, distribution and 



migration 



thrushes of United States, food habits 



Bitter acids. See Resins, soft. 



Black-ash group, key to species 



Bladders, imports, and sources, 1911-1914 



Blood, dried, imports and sources, 1904-1914 



Boerner, E. G., bulletin on "A device for sampling grain, 

 seeds, and other material " 



Bones, hoofs, etc., foreign trade, 1895-1914 



Bread, foreign trade, 1866-1914 



Bridges, construction and maintenance (with roads) from 

 July 1, 1913, to December 31 , 1914 



Bristles, foreign trade, 1895-1914 



Broom corn, foreign trade, 1914 



Brunner, Josef, bulletin on "The Zimmerman pine 

 moth " 



Buckwheat, exports, 1897-1914 



Buffalo hides, imports and source, 1911-1914 



Building, cotton warehouse construction 



Bumblebees — 



importance in red-clover seed production 



pollination of red-clover flowers, experimental studies. 



Butter, foreign trade, 1897-1914 



Butterine, imports and source, 1910-1914 



California — 



gull, breeding and winter ranges, occurrence and 



migratory habits 



peach shipments, 1914, season and stations shipping. . 



tomato shipments, 1914 



Camphor gum, imports and source, 1914 



Canned-meat products, foreign trade, 1900-1914 



Cardon, P. V., and D. A. Saunders, bulletin on " Custom 



ginning as a factor in cotton-seed deterioration " 



Castor beans, imports and sources, 1910-1914 



Cattle, foreign trade, 1884-1914 



Cereals — 



dry-land, growing, tests at Belle Fourche experiment 



farm, methods 



investigations on the Belle Fourche experiment farm, 



bulletin by Cecil Salmon 



Charcoal, foreign trade, 1914 



Cheese, foreign trade, 1895-1914 



Chicle gum, imports, value and source, 1914 



Chicory root, imports and sources, 1910-1914 



Chinchona bark, imports, value and source, 1914 



Chocolate, foreign trade, 1851-1914 



Citurs fruit, use in poison bait for grasshoppers, value 



Clover — 



cross-pollination machine, description, operation, and 



value 



injury by pea aphis, historical notes 



pollination, bibliography 



red — 



importance in rotation, and scope of investigations. . 

 manipulation of flowers; effect on seed production . . 

 seed production: Pollination studies, bulletin by 



J. M. Westgate, and others 



seed, foreign trade, 1895-1914 



Bulletin No. 

 292 

 292 



Page. 



39-40 



2-3 



293 



6-7 



292 

 280 



1-71 

 1-23 



299 

 296 

 296 



7-8 

 18 

 17 



287 

 296 

 296 



1-4 



17 



28 



284 

 296 

 296 



1-64 



16-17 



45 



295 

 296 

 296 



277 



1-12 

 28 

 14 



1-38 



289 

 289 

 296 

 296 



3^ 



17-18 



7-8 



34 



292 

 298 

 290 

 296 

 296 



41-42 



7,10 



7-8 



48 



9,13 



288 

 296 

 296 



1-8 



38 



6 



297 



10-13 



297 



1^3 



296 



48 



296 



8 



296 



48 



296 



31 



296 



48 



296 



31 



293 



11-12 



289 



20-21 



276 



6-7 



289 



29-31 



289 



1-4 



289 



15-17, 20-26 



289 



1-31 



296 



38 



