20 INDEX TO YEAEBOOKS, 1901-1905. 



Boll weevil, cotton, continuance of danger, 1904, 80. 

 control, 1905, 38. 



methods, 1901, 376; 1903, 213-214. . 

 suggestions, discussion, 1903, 75, 105-108. 

 work, distribution of eariy maturing cotton, 1904, 507-508. 

 crop season, notes, 1904, 564-575; 1905, 588-599. 

 damage, to cotton, 1901, 676; 1902, 729; 1903, 564; 1904, 601; 

 1905, 630. 

 estimates, 1904, 195-197. 

 extent, with statistics, 1903, 207-209. 

 death of larvae by unusual growth of plant, 1904, 487. 

 destruction of colony at Audubon Park, La., 1904, 202. 



plants in fall as means of control, 1904, 200. 

 difficulties of control, 1903, 205. 

 direct work of Department for control, 1904, 197-198. 

 discussion, 1904, 78-80. 

 disease attacks, 1902, 385. 

 effect of dryness of climate, note, 1904, 479. 

 ravages, 1904, 197. 

 frost in limitation, 1904, 196. 

 on Egyptian cotton, 1902, 384. 

 effort to control by quarantine and stopping cultivation, 1904, 202. 

 experiments for control and study, 1903, 75. 

 extension, 1904, note, 1904, 601. 

 future spread, 1901, 374; 1903, 211-213. 

 general statement by Secretary, 1904, 9. 

 history, remarks, 1903, 369. 



investigation and control, outlook, 1904, 203-204. 

 investigations, 1905, 75-76. 

 kelep as enemy, remarks, 1905, 77. 



larvse, death by reason of ' ' gelatinization" in cotton, 1904, 500-501. 

 machines for poisoning, 1901, 379. 

 menace to cotton crop, remarks, 1903, 104; 1904, 191. 

 plan of work in plant industry for restriction, 1904, 497-498. 

 present situation and prospects, 1901, 371. 



status in United States, articles by W. D. Hunter, 1901, 

 369-380; 1903, 205-214; 1904, 191-204. 

 problem of reaching other cotton countries, 1903, 213. 



resistant strains of cotton, 1902, 384-385. 

 problems not yet solved, 1904, 199-201. 

 protection of Guatemalan cotton by kelep, 1904, 476. 

 recommendations of Secretary, 1903, 105-108. 

 relations to cotton leaf worm, 1904, 201. 



failure of commercial cotton growing, 1904, 478. 

 resistance to winter and enemies, 190, 373. 

 results of demonstration farm work for control, 1904, 506. 

 saving from losses by Department work, 1905, 82. 

 scope of Department's investigations, 1904, 197-199. 

 service expected of kelep, 1904, 485. 

 situation and prospects, 1901, 371. 

 spread by cotton seed, 1904, 193. 



to all Guatemalan cotton, illustrative example, 1904,484. 

 study by Division of Entomology, results, 1903, 210-211. 



of tropical cottons in work for control, 1904, 502. 

 temporary scarcity under certain conditions, 1901, 374. 

 territory affected, 1904, 192-195. 



with map, 1903, 206-207. 

 value of cultural methods, 1903, 106. 

 work of Department of Agriculture, plan, 1903, 209-211. 

 Division of Entomology, 1902, 84. 

 Plant Industry Bureau, article by B. T. Gallowav, 1904, 

 497-508. 

 weevils, Texas cotton damage, 1903, 539. 

 BoUworm, cotton and minor cotton insects, remarks, 1904, 80. 



damage to cotton, 1901, 677; 1902, 727; 1903, 563; 1904, 601; 1905, 

 631. 

 corn, 1904, 465. 

 investigations, 1904,198-199; 1905, 76. 



