334 



INDEX. 



Wood structure, 222 

 Wood-working industries of 



Minnesota, 242 



Wood and iron compared, 217 

 Wood, uses in car-making, 219 



in carpentry, 219 



in cooperage, 219 



in joinery, 219 



jn lumbering, 220 



in manufacturing of ma- 

 chinery, 220 



in mining, 220 



in railways, 219 



in ship-building, 219 



in telegraph poles, 220 



is made up of cells, 222 



Methods of sawing, 222 



Wood, Curing of, 234 



Working plan, 180 



Woody stem cross-section, 2 



Yearly rourd of life in a tree, 10 

 Yellow Birch, 286 



Buckeye, 301 



Locust, 298 



Oak, 292 



Pine, 264, 265 

 Yew, Pacific, 279 

 Young foliage eaten by stock, 



137 



Young growth injured in log- 

 ging, 75 



Zinc-Tannin process, 220 



