INDEX TO YEARBOOKS, 1901-1905. 121 



Potatoes, blight, note, 1903, 540. 

 composition, 1905, 310. 

 crop rotation in several States, 1902, 523. 

 cultivation, value in South., 1903, 159. 

 culture improvement, treatment of disease, 1905, 415-416. 

 diseases in Hawaii, experiments, 1902, 104. 



exports, 1901, 805; 1902, 808, 869; 1903, 699; 1904, 741; 1905, 781. 

 imports, 1901, 798; 1902, 808, 861; 1903, 690; 1904, 731; 1905, 772. 

 improvement by breeding, 1904, 46. 

 in young orchard, remarks, 1902, 614-615. 

 introduction and growing in Hawaiian Islands, 1901, 515. 

 new varieties, poor quality in breeding in Colorado, 1904, 315. 

 prices, wholesale, in leading United States markets, 1901, 743-744; 1902, 809; 



1903, 636; 1904, 677; 1905, 702-703. 

 production and value, 1905, 10. 

 scab, use of formaldehyde, 1905, 482. 

 seed, cutting and selection, 1904, 314-315. 

 statistics: acreage, production, price, etc., 1901, 740-744; 1902, 805-809; 



1903, 631-636; 1904, 673-677; 1905, 697-703. 

 sweet. See Sweet potatoes. 



yield under irrigation in Colorado, note, 1901, 425, 426. 

 See aho Weather and crop conditions. 

 Potomac Flats Testing Garden, remarks, 1903, 42. 

 Poudre Valley in Colorado, reservoir systems, 1901, 416. 



Poultry and egg industry, distribution and magnitude, article by George F. Thomp- 

 son, 1902, 295-308. 

 eggs, exports and imports, discussion, 1902, 304-308. 



numbers and values, 1901, 782-784; 1902, 301-303. 

 associations, list, 1901, 627; 1902, 679. 

 breeding, investigations, 1904, 528. 

 destruction of nut weevil, 1904, 309. 

 diseases in Hawaii, investigations, 1902, 105. 

 experiments in Hawaii, remarks, 1901, 74. 

 importance, 1905, 516. 

 imports and exports, discussion, 1902, 304-308. 



of leadmg European countries, 1905, 740. 

 improvement by breeding, note, 1901, 219. 

 judge, oversight in rating worth of fowls, note, 1901, 220. 

 production, 1899, table, 1902, 296. 

 products, value, 1905, 12. 

 raising as an industry for Alaska, note, 1901, 71. 



profits and failures, 1904, 185-186. 

 stock and poultry products, discussion, 1902, 296-303. 

 value and use as food, 1902, 393. 

 See aho Chickens, Ducks, Turkeys. 

 Powell, G. Hahold, article on " Relation of cold storage to commercial apple cult- 

 ure," 1903, 225-238. 

 " The handling of fruit for transportation, ' ' 1905, 349- 



362. 

 "Top working orchard trees," 1902, 245-258. 

 Powellized wood, preservative treatment of timber, 1903, 437. 

 Power for farm purposes, notes, 1903, 98. 

 Prairie chickens, conditions. United States, 1905, 1905, 615. 

 protection and prices, note, 1904, 89. 

 dogs, destruction, methods, directions, 1901, 109, 265, 268. 

 estimate of numbers and destructiveness, 1901, 264. 

 general habits, remarks, 1901, 258-259. 

 investigation, need of funds, 1901, 111. 

 mounds and burrows, 1901, 260. 

 natural enemies, 1901, 262. 

 obstacles and difficulties, 1901, 269. 



of the Great Plains, article by C. Hart Merriam, 1901, 257-270. 

 recent increase and spread, 1901, 263. 

 scourge on Great Plams, remarks, 1902, 91. ■ 

 successful poisoning on Nantucket Island, 1901, 270. 

 farm, model, plan for tree planting, 1904, 262-263. 



in Big Horn Reserve, evidence of former wooded condition, note, 1901, 336. 

 Precipitation, annual, in Lake region, remarks, 1902, 132. 



