78 INDEX TO YEAKBOOKS, 1901-1905. 



Hay, weather conditions, notes, 1902, 706, 707; 1903, 536, 537; 1904, 565-570; 1905 

 588-594. 

 weight and volume, remarks, 1904, 40. 

 wild, extent of use, and study, 1903, 37. 

 Haying, 1904, notes, 1904, 565-570. 



Hays, wrLLBT M., article on "Progress in plant and animal breeding," 190] , 217-232. 

 duties as Assistant Secretary, 1904, 339. 



statement as to study of agriculture in University of Minnesota, 1902 

 488. 

 Haywood, J. K. , article on "Analysis of waters and the interpretation of results, ' ' 1902 



283-294. 

 Hazelnut weevil, description, distribution, remedies, etc., 1904, 310. 

 Health conditions in the Tropics, improvement, 1901, 349. 



digestion, effect of preservatives in food, article by H. W. Wiley, 1903 



289-302. 

 failing, cause of movement among Americans, 1904, 354. 

 of man, effect of coloring and preservatives in food, study, 1903, 54r-55. 

 relation of animal to human tuberculosis, 1903, 21. 

 insects, 1903, 77. 

 plants, relation of nutrition, article by Albert F. Woods, 1901, 155-176. 

 Heat, amounts given off by human body, calorimeter data, 1904, 210. 



and carbon dioxid, amounts given off by human body, 1904, 214r-216. 

 regulation and measurement in calorimeter, 1904, 209. 

 relation of food in human body, 1904, 205, 206. 

 requirements for assimilation of carbon by plants, 1901, 174. 

 Hedge plants, value of hybrid oranges, note, 1901, 25. 



use of Pulque Maguey, note, 1902, 316. 

 Melioihis armiger, note, 1901, 369. 



Hemlock, Western, chemical study of wood and bark, 1902, 322-324. 

 Hemp, breaking, discussion, 1901, 550. 



machine, discussion, 1901, 551. 

 character, 1903, 387. 

 cleaning, 1901, 550-551. 

 cultivation, preparation of land for, 1901, 544. 

 culture, important step, 1902, 22. 

 cutter, use in harvesting, 1901, 547. 

 drying and stacking, 1901, 548. 



growing and handling of seed, 1901, 250. 

 andling, improved methods, necessity, 1903, 34. 

 harvesting, discussion, 1901, 547. 



machine, requirements, 1901, 548. 

 imports, 1901, 795; 1902, 857; 1903, 683; 1904, 724; 1905, 764. 

 industry in United States, article by Lyster H. Dewey, 1901, 541-554. 

 manila and sisal, growing in Porto Rico, 1903, 90. 



as promising tropical crop, 1901, 360. 

 market and prices, 1901, 552. 

 mauritius, discussion, 1903, 397. 



New Zealand, description of plant and fiber, uses, imports, 1903, 396-397. 

 origin, countries of cultivation, production, and uses, 1903, 392-393. 

 production in Kentucky, statistics, 1901, 553. 

 regions of cultivation, discussion, 1901, 542. 

 retting, discussion, 1901, 549. 

 seed growing and handling, 1901, 250. 



imported, 1903, 34. 

 sisal, as promising tropical crops, remarks, 1901, 364. 

 soils, suitable, remarks, 1901, 543. 

 unretted, breaking, 1901, 552. 

 varieties and seed, 1901, 553. 

 Hen manure, composition, 1902, 571. 



liquid solution, 1902, 556. 

 number of eggs, increase, 1904, 529. 

 value to farmer, 1905, 12. 

 Henbane, belladonna, and stramonium, cultivation a,nd gathering, 1903, 345. 

 Henequen. See Sisal. 



Henrjr E. Stevens, cooperation in Connecticut tobacco experiments, 1902, 70. 

 Herbivorous animal tapeworms; life history problem, note, 1905, 161. 

 Herding sheep in Western mountains, remarks, 1901, 344. 

 Heronries of Florida, extermination, note, 1902, 207, 



