CONTEXTS. 



CHAPTER 



General Bibliography 4 



I The Structure of Wood 9 



II Properties of Wood 41 



III The Principal Species of American Woods 57 



IV The Distribution and Composition of the North American 



Forests 197 



V The Forest Organism 211 



VI Natural Enemies of the Forest 229 



VII The Exhaustion of the Forest 251 



VIII The Use of the Forest 271 



Appendix 289 



Index . . .304 



