366 



Index. 



Huckleberries, not found in Califor- 

 nia, 88. 



Ilngon, preserving process of, 190. 



Humic acid, composition of, 4. 



Humus, definition of term, 4. 



Huntingdon willow, 279. 



Hybrids, among oaks, 214. 



willow.*, 3. 



how formed, 3. 



Hydraulic power, supply of water 

 for, 18. 



Hylesinus piniperda, 164. 



Hvlobus (pine weevil), 185. 



Hylurgiw, 187. 



Hymenoptera, general notice of, 179. 



Ichneumon flies, 179, 187. 



Idaho, privilege of citizens of, 93. 



Ilex aquifolium, 292. 



Cassinc, 292 



Dahoon, 293. 



opaca, 129, 146, 292. 



Ilicineae, 292. 



Illinois, change of climate in, 18. 



forests of, 87. 



timber in, 87. 



Illuminating gas from wood, 154. 



Improved methods of working tur- 

 pentine, 201. 



Incombustible wood, 193. 



India,' injuries from clearing in, 27. 



Indiana, forests of, 87. 



Injection of timber, apparatus for, 

 191. 



Injuries to bark of trees, how treat- 

 ed, 46, 149. 



Insects, how they affect wood-growth, 

 168. 



Insect-poisons, 167. 



ravages, 69, 70, 161. 



Insectivorous bird?, 167, 350 



Inspection of forests, 106. 



Institut agnonomique, 108. 



Intervals between trees in rows, 47. 



of time between thinnings, 58. 



Intoxication of fish, 255. 



Investments in forestry, 79, 116. 



Iowa, evergreen hedges in, 129. 



Ireland, forests in, 83. 



rains in, 22. 



Iron wood, 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. 



Jersey pine, 3'29. 



Jettys, willows used for, 280. 



Jones, Dr , process of, 193. 



Judas-tree, 259. 



Juglandese, 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 (eenus), 303, 308. 



Californica, 309. 



com munis, 128. 



occidentalis, 309. 



pachyphlaea, 309. 



Virgin iana, 128, 146, 308, 347. 



Sabina, 309. 



Jura, destruction of spruces in, 172. 

 Kalrnia nugustifoliu, 293. 



glauca, 294. 



latifolin, 88, 146, 293. 

 Kaltenbach, cited, 168. 

 Kansas, tree-planting in, 346-352. 

 Karsten, cited, 145. 

 Kauri-gum, 204. 

 Keller, P. G., invention of, 205. 

 Kentucky coffee- tree, 54, 88, 258, 346, 



348. 

 Kilns for making charcoal, 149, 150. 



tar, 203. 



Knees, timber for, in ship-building, 



102. 



Ivnowles, process proposed by, 197. 

 Kyanizing process, 197. 

 LaboU, in arboretums, 125, 126. 

 Labidardiere, discovers Eucalyptus, 



265. 



Lace-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. 

 T- earth-thermometer, 21. 



