366 



Index. 



Huckleberries, not found in Califor- 

 nia, B8. 



nu2;on, preserving process of, 190. 



Huiiiie acid, composition of, 4. 



Humus, definition of term, 4. 



Huntingdon willow, 279. 



Hjbrids, among oaks, 214. 



willows, 3. 



how formed, 3. 



Hydraulic power, supply of water 

 for, 18. 



Hylesinus piniperda, 164. 



Hvlobus (pine weevil), 185. 



Hylurgus, 187. 



Hyuienoptera, general notice of, 179. 



Ichneumon flies, 179, 187. 



Idaho, privilege of citizens of, 93. 



Ile.x; aquifolium, 292. 



Gassine, 292 



Dah'jon, 293. 



opaca, 129, 146, 292. 



Ilicineaj, 292. 



Illiniiis, change of climate in, 18. 



foi-ests of, 87. 



timber in, 87. 



Illuminating gas? from wood, 154. 



Improved methods of working tur- 

 pentine, 201. 



Incomhustible wood. 193. 



India, injuries Irom clearing in, 27. 



Indiana, forests of, 87. 



Injection of timber, apparatus for, 

 191. 



Injuries to bark of trees, how treat- 

 ed, 4(j, 149. 



Insects, how they affect wood-growth, 

 108. . 



Insect-poisons, 167. 



ravages, 69, 70. 161. 



Insectivorous birds, 167, 350 



Inspection of forests, 100. 



Institut agnonomique, 108. 



Intervals between trees in rows, 47. 



of time between thinnings, 58. 



Intoxication of fish, 255. 



Investments in forestry, 79, 110. 



Iowa, evergreen hedges in, 129. 



Ireland, forests in, 83. 



rains in, 22. 



Ironwood, 89, 210, 296. 



formerly excluded from timber- 

 claims, 93. 



Italy, chestnuts as food in, 222. 



disease of chestnut trees in, 78, 



224. 



forests in, 83, 106. 



Italy, injuries from clearing in, 26. 



olives, how trimmed in, 60. 



Japan, timber of, 84, 127. 



Japanese cedar, 310. 



Jardinage (cutting by selection), 96. 



Jars, transplanting from, 54. 



Jersej' pine, 329. 



Jettys, willows used for, 280. 



Jones, Dr , process of, 193. 



Judas-tree, 259. 



Jiiglande^, 273, 275. 



Juglans Californica, 277. 



cinerea, 146, 277. 



nigra, 146, 276, 347. 



rupestris, 277. 



June, best month for breaking 



prairies, 8. 

 Juniper, 303, 308. 



insects injurious to, 187. 



oil of, 204. 



(Larix Americana], so called, 



394. 

 Juniperus (srenus'), 303, 308. 



Californica, 309. 



communis, 128. 



oceidentalis, 309. 



pachvphlaea, 309. 



Virgmiana, 128, 146, 308, 347. 



Sabiiia, 309. - 



Jura, destruction of spruces in, 172. 

 Kalmia augustifolia, 293. 



glauoa, 294. 



latifulin, 88, 146,293. 



Kaltenbach, cited, 168. 



Kansas, tree-jilanting in, 346-352. 



Karsten, cited, 145. 



Kauri-gum, 204. 



Keller, F. G., invention of, 205. 



Kentucky coff'ee-lree, 54, 88, 258, 346, 



348. 

 Kilns for making charcoal, 149, 150. 



tar, 203. 



Knees, timber for, in ship-building, 



102. 

 Knowles, process proposed bj', 197. 

 Kyanizing process, 197. 

 LabeN, in arboretums, 125, 126. 

 Labidardiere, discovers Eucalyptus, 



205. 

 I^ace-winged flies, 174. 

 Lake Superior, forests south of, 87. 



rainy region south of, 21. 



Lambert, A. B., notice of, 321. 

 Lambert's I'ine, 321. 

 Lament's atmometer, 19. 

 earth-thermometer, 21. 



