370 



Index. 



Oak, rock-chestnut, heating qualities 



of, 146. 

 roots, mode of securing lateral, 



43. 

 scrub black, heating qualities of, 



14G. 



seasoned by peeling, 140. 



shell-bark white, heating qual- 

 ities of, 146. 



Spanish, heating qualities of, 146. 



structure of wood of, 06, 67. 



tan bark of, 207, 208. 



under timber-culture act, 93. 



weight lost in drying, 139. 



white, heating qualities of, 146. 



yellow, heating qualities of, 146. 



Oak-leaf-and-acorn, a symbol with 



foresters, 106. 

 Oaks, and their related species, 210. 



classifications of, 210, 212. 



grown with other species, 51, 



104, 216. 



Iiow planted in Scotland, 112. 



in Canada, 89. 



in Kansas, 347, 348. 



insects that injure, 180. 



range of growth, 211. 



transplanting of, 43, 52, 215. 



Objects of forestry, 101. 



Oblong-leaved oak, 213. 



Ocean winds, 22. 



Odors, introduced by absorption, 195. 



Ohio, arbor day in, 62. 



linckeye. 254. 



forests of, 87. 



Oil from Eucalyptus, 266. 



of turpentine, 199. 



Oils, essential, from conifers, 204. 



impregnation of wood with, 192. 



Okl-field pine, 826. 



Olea Kiiropea, 273. 



Olive, 60, 273. 



Olneya tf'sota, 296. 



One-leaved pine, 323. 



Orchards, benefitted by shelter-belts, 



132. 

 Ordinances for protection, in villages, 



120. 

 Oregon alder, 233. 



ash, 272. 



cedar, 307. 



crab-apple, 262. 



hemlock, 330. 



— maple,. 238. 



pine, 337. 



' sale of timber in, 95. 



Oreodaphne Californica, 298, 299. 

 Organic materials in the soil, 4. 

 Oriental plane-tree, 252. 

 Ornamental planting, 113. 

 Orono, tlie range of humidity at, 15. 

 Orthoptera, general notice of, 173. 

 Osage-orange, 84, 93, 247, 248. 



as a hedge plant, 129, 130, 131. 



in Kansas, 247, 248, 249, 250. 



limits of, 131. 



Osier-Willows, 280, 281, 282. 

 Osmanthus Americanaj 273. 

 Ostrya Virginica, 296. 

 Outcrop of rock formations, 7. 

 Overeup white-oak, 212. 

 Overflow kills trees, 22. 

 Oxydendrum arboreum, 296. 

 Oxygen in atmosphere, 11. 

 Pacific coast, injury to mountains in, 



111. 



oaks of, 21 8. 



rains upon, 21, 22. 



timber of, 88. 



trees from, not adapted to 



United States, 84. 

 Packard, A. S., Jr., report on insects 



by, 109. 

 Painting, a preserving process, 190. 

 — - — of wounds, 101. 

 Palmer's dwarf-oak, 214. 

 Palmetto, 2. 

 Paper l)askets for transplanting, 54. 



frovii wood. 205. 



Paraguay tea, 293. 



Paris-green as insect-poison, 167. 



Institut agronomique at, 108. 



Parks in cities, planting of, 123. 

 Parry, C. C, timber-line as given by, 



25. 

 Pasturage, injuries from, 96, 99, 110. 



of woodlands, 159. 



Patents for hedges, 131. 

 Pavements, guards around trees in, 



120. 

 Paving-stones under oak seed-beds, 



43. 

 Pawpaw, 88, 289. 

 Payne process for preserving wood, 



198. 

 Peach, in Kansas, 347. 

 formerly excluded from timber- 

 claims, 93 

 Pear (genus Piths), 84, 260. 

 Peat, composition and uses of, 5 

 Pecan-nut, 274, 347, 348. 

 Peeling of oak by heat, 208. 



