520 



INDEX. 



ests in, 332-333, 336, 339-342, 357- 

 364, 474-47S; irrigation in, 342, 

 447, 487; forest legislation in, 

 377-378. 

 West Virginia, forest legislation in, 



394- 

 Wind, 183-186, 224, 263, 439-444; 



effect of, on rain gauges, 432-433. 

 Wind-breaks, 13, 70-71, 224, 440- 



441. 451. 

 Wisconsin, deforestation of, iz; 

 taxation of forests in, 252 ; wood- 

 land area of, 336 K.-337 n. ; wood 

 production in, 372: forestry move- 

 ment in, 377 ; forest legislation in, 



393- 



Wollny, experiments of, 446. 



Wood, importance of, 21-26, 427; 

 consumption of, 25, 36-41, 51, 

 337-339. 416-429. 47S-480; pulp, 



25, 27, 345, 421-424; substitutes 

 for, 26-29, 421 ; growth of, 106- 

 109; price of, 134-13S, 138, 220, 

 420, 456-459, 485-487; produc- 

 tion rate of, 159-164. 



Wood-lots, 116, 131, 198-199, 343, 

 380, 451. 



Woodland, defined, 84. 



Wiirtemberg, forest policy of, 317- 

 318, 321-322. 



Yale University, forestry school at, 



238, 399- 

 Yield, sustained, 199-222, 230, 259, 



324.465. 

 Yield-tables, 159-164, 207-208, 218- 

 220, 461-463. 



ZiJRiCH, forestry school at, 298; 

 forest finance of, 324-326. 



