INDEX TO YEARBOOKS, 1901-1905. 137 



Selection and breeding, improvement of tobacco, article by Archibald D. Shamel, 1904, 

 435-452. 

 of seed, corn, importance of stalk, ear, and kernel, 1902, 542. 

 Self-fertilization, pineapple, experiments, 1905, 284. 

 Self-pollination, pineapple, experiments, 1905, 284. 

 Semiarid and humid regions, comparison of crop rotation, 1903, 449. 

 districts, adaptation of varieties of wheat, 1902, 223. 

 lands, increase of value, 1905, 531. 

 region, early and present attempts at settlement, 1905, 423-425. 



forest planting, discussion, 1902, 141. 

 regions, crop rotatioai, remarks, 1902, 521. 

 irrigation in 1904; 1904, 613-615. 

 Semolina, manufacture in United States, notes, 1903, 334, 335.- 

 Seneca snakeroot, note, 1905, 535. 



Sequoia, rings of growth as record of climate, remarks, 1902, 204. 

 Sesamum seed, imports into France, 1903, 419. 

 Sewage methods, modern, waste of nitrogenous materials, 1902, 334. 

 Sewanee, market for timber products, note, 1901, 473. 



Tenn., conservative lumbering, description of tract, 1901, 471. 

 results of logging under forest working plan, 1901, 475. 

 Shade effect on crops, experiments, tests, 1903, 43. 

 in coffee culture, remarks, 1901, 29. 



trees, diseases, 1901, 672; 1902, 718; 1903, 555; 1904, 586; 1905, 610. 

 injurious insects in 1901, 1901, 677; 1902, 87; 1905, 635. 

 on roads, legislation, 1901, 680. 

 use of lath frame in coniferous nursery, 1905, 189. 

 usefulness of timber in Nebraska, 1901, 211. 

 Shading devices, mechanical, use against sun scald, 1902, 247. 

 "Shaduf " simple irrigating device of Nile Valley, description with figure, 1902, 575. 

 Shamel, A. D., article on "The effect of inbreeding in plants," 1905, 377-392. 



" The improvement of tobacco by breeding and selection," 

 1904, 435-452. 

 Sharpies, T. P., comments on timber tests of Tenth Census, 1902, 534. 

 Shear, C. L., study of cotton diseases, 1904, 502-503. 

 Shearing of goats, remarks, 1901, 281. 



sheep in Arizona, season, 1901, 241. 

 Sheep, Argentine, breeds and prices, 1904, 277-278. 

 botfly, parasite, life history, 1905, 141-144. 

 breeders' associations, list, officials, etc., 1901, 625; 1902,677; 1903,522; 1904, 



522; 1905, 576. 

 breeding, investigations, 1904, 528. 

 danger from gid worms, 1905, 161. 

 decline in number and value, 1905, 13. 



dipping, for control of scab, order and work, efficiency, 1903, 496-504, 499, 500. 

 disease, transmission by ticks, 1905, 165. 

 exports, 1901, 779; 1902, 862; 1903, 691; 1904, 732; 1905, 773. 

 farm, methods of cropping and care, 1902, 360-364. 

 feeding and rotation of crops in Colorado potato culture, 1904, 313. 

 foot rot and gid, remarks, 1904, 23. 

 grazing in forest reserves, notes, 1901, 338. 



table showing extent in 1901, 1901, 339. 

 Western mountains, time of entering range, 1901, 341. 

 imports, 1901, 792; 1902, 853; 1903, 680; 1904, 721; 1905, 761. 

 infestation with liver flukes, 1905, 162. 

 inspection and imports, notes, 1903, 21, 22. 



at shipment for control of scab, 1903, 502. 

 journey to mountains for summer grazing, 1901, 342. 

 Lincolnshire, method of improvement, 1901, 229. 

 losses from poisonous plants, 1903, 34. 

 management in grazing in Western mountains, 1901, 343. 

 manure, composition, 1902, 571. 



liquid solution, 1902, 556. 

 numbers in several countries, 1905, 732-735. 

 poisoning on stock ranges, new remedy, 1902, 22. 

 prices, numbers, etc. See Sheep, statistics. 

 raising in Alaska, notes, 1904, 100, 101. 

 remarks of Secretary on inspection and dipping for scabies, 1901, 21. 



