Index. 



Oak, roek-chestnut, heating qualities 

 of, 140. 



roots, mode of securing lateral, 



43. 



scrub black, heating qualities of, 



14(5. 



seasoned by peeling, 140. 



shell-bark white, heating qual- 

 ities of, 146. 



Spanish, heating qualities of, 146. 



structure of wood of, G6, 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. 



how 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. 



buckeye. 254. 



forests of, 87. 



Oil from Eucalyptus, 266. 



of turpentine, 199. 



Oils, essential, from conifers, 204. 



impregnation of wood with, 192. 



Old-field pine, 326. 



Olea Europea, 273. 



Olive, 60, 273. 



Olneya tcsota, 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, 336. 



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, the 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. 

 Osmantlms Americana, 273. 

 Ostrya Virginica, 296. 

 Outcrop of rock formations, 7. 

 Overcup white-oak, 212. 

 Overflow kills trees, 22. 

 Oxydendrum arboreum, 296. 

 Oxygen in atmosphere, 11. 

 Pacific coast, injury to mountains in, 



111. 



oaks of, 218. 



rains upon, 21, 22. 



timber of, 88. 



trees from, not adapted to 



United States, 84. 

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



by, 169. 

 Painting, a preserving process, 190. 



of wounds, 101. 



Palmer's dwarf-oak, 214. 



Palmetto, 2. 



Paper baskets for transplanting, 54. 



from 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. 

 Pavne process for preserving wood, 



198. 



Peach, in Kansas, 347. 

 formerly excluded from timber- 

 claims, 93 



Pear (genus Pirus), 84, 260. 

 Peat, composition and uses of, 5 

 Pecan-nut, 274, 347, 348. 

 Peeling of oak by heat, 208. 



