IISCDEX TO YEARBOOKS, 1901-1905. 129 



Roads of Austria, remarks, 1901, 531. 



Noi-way into Arctic Circle, note, 1901, 531. 

 Switzerland, notes, 1901, 529. 



Officeof Public, organization and duties, 1901, 613; 1902,664: 1903,512: 1904 

 542; 1905, 567. ..... 



work, review by Secretary, 1901, 99-101; 1902, 117; 1903, 

 99-100; 1904, 91-93; 1905, 104-112. 

 See also Road Inquiries, 

 oiled, repairs, 1902, 452^53. 



oils used in improvement, and metbods of applying, 1902, 445. 

 protective legislation, 1901, 680. 

 public, antiquated methods, 1903, 457-458. 

 sand and sand-clay, effect of excess of water, 1903, 260. 



sand-clay, building in Southern States, article by ^^'. L. Spoon, 1903, 259-266. 

 conclusions as to value and building methods, 1903, 266. 

 failures in building, causes, 1903, 259-263. 

 in Richland County, S. C, 1901, 328. 

 use of available material, method, 1903, 263. 

 testing materials, and special investigations, 1905, 109, 110. 

 thickness of stone and mortar, 1904, 332. 

 use of oil, remarks, 1904, 68. 

 Roadster horse, demand and points in selection, 1902, 464^65. 

 Robes, carriage, use of Angora goatskins, 1901, 284. 

 Robin, eating of fruit, discussion, 1904, 252-254. 

 migration, distance, remarks, 1903, 374. 



Iowa and Minnesota regions to Canada and Alaska, 1903, 384, 385. 

 relation to temperature, 1903, 382. 

 Rock for road building at Jackson, Tenu., sources, 1904, 325, 327. 

 John, introduction of Jordan almond, 1902, 479-480. 

 kinds for road material, notes, 1903, 460. 

 new tests for hardness and toughness, note, 1903, 58. 

 qualities for road making, remarks, 1904, 67. 

 Rocky Mountain region, agricultural progress, 1903, 13. 



States, some typical reservoirs, article by Elwood Mead, 1901, 

 414^30. 

 Rolfs, P. H., article on "New opportunities in subtropical fruit growing," 1905, 

 439-454. 

 citrus fruit growing in Florida, note, 1904, 223. 

 Rolling or hilly land, soil washing, prevention, 1903, 178. 

 Rommel, George M., article on "The educational value of live-stock exhibitions," 



1902, 259-264. 

 Root aphis and other diseases of peach trees, benefit of stable manure, 1902, 624. 

 apple tree, protection, 1901, 603. 

 corn, injuries, and repression by plowing, 1905, 472. 

 cutting, guava propagation, 1905, 454. 

 development of cotton, relation of rainfall, 1904, 142, 144. 

 diseases, study and remedy, remarks, 1904, 127. 



hairs of plants, relation to absorption of plant food, notes, 1903, 167, 168. 

 pruning, need in transplanting broadleaf seedlings, 1905, 192. 

 system of plant relation to drought, 1902, 69. 

 tobacco, disease and resistant plants, remarks, 1904^ 450. 

 tubercle bacteria, collection of nitrogen in soil, 1902, 337. 

 zone of soil, movement of air and water, 1903, 164. 

 Root-borer, clover, destruction by plowing, 1905, 470. 

 Root-gall, nematode, injuries and remedies, 1905, 348. 

 Root-knot, prevalence, 1905; 1905, 604, 607, 610, 611. 

 Root-miners, injuries to aspen reproduction, 1905, 255. 

 Root-pruning, value in transplanting, 1905, 190. 

 Root-rot, cotton, investigation, 1904, 36. 

 need of study, 1903, 106. 

 study, remarks, 1904, 503. 

 of taro in Hawaii, experiments, 1902, 104. 

 Roots, apple tree, attention before planting, 1901, 599. 

 crude drugs, imports, 1903, 339. 

 medicinal, time of gathering, remarks, 1903, 253. 

 method of clearing out of drains, 1902, 241. 

 peach, injury by aphides, 1905, 343. 



55412— Bull. 9—08- — 9 



