[Footnote 1: William Noyes, _Handwork in Wood_, Peoria, Ill. The Manual Arts Press, 231 pp., $2.] CONTENTS. CHAPTER PAGE 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 GENERAL BIBLIOGRAPHY Apgar, A. G., _Trees of the Northern United States_. N. Y.: American Book Co., 224 pp. A small book dealing with the botany of trees, giving descriptions of their essential organs, and particularly valuable for the leaf key to the trees. It should be supplemented by Keeler or Hough's Handbook. Baterden, J. R., _Timber_. N. Y.: D. Van Nostrand Co., 1908, 351 pp. A description of the timbers of various countries, discussion of timber defects, timber tests, etc. Bitting, K. G., _The Structure of Wood_. _Wood Craft_, 5: 76, 106, 144, 172, June-Sept., '06. A very scholarly and valuable series of articles on wood structure and growth. Excellent microphotographs. Britton, Nathaniel Lord, _North American Trees_. N. Y.: Henry Holt & Co., 1908, 894 pp. A description of all the kinds of trees growing independently of cultivation in North America, north of Mexico, and the West Indies. The standard Botany of trees. Boulger, G. S., _Wood_. London: Edward Arnold, 369 pp. A thoro discussion of wood structure, with chapters on the recognition and classification of woods, defects, preservation, uses, tests, supplies, and sources of wood. Good illustrations. Bruce, E. S., _Frost Checks and Wind Shakes_. _Forestry and Irrigation_, 8: 159, April, '02. An original study of the splitting of trees by sudden frost and thaw. Bruncken, Ernest, _North American Forests and Forestry_. N. Y.: G. P. Putnam's Sons. 265 pp. A comprehensive survey of American Forestry conditions including the forest industries, fires, taxation, and management. No illustrations. Busbridge, Harold, _The Shrinkage and Warping of Timber_. _Sci. Amer. Suppl._, No. 1500, Oct. 1, 1904. Good photographic illustrations. Comstock, J. H. and A. B., _A Manual for the Study of Insects_. Ithaca, N. Y.: Comstock Publishing Co., 701 pp. Valuable for reference in classifying insects injurious to wood.