432 Forestry Quarterly 



61. Hartig, T., Anatomic und Physiologic der Holzpflanzen. 1878. 



62. Ebermayer, E. W. F., Die gcsammte Lehrc der Waldstreu. 1876, 



63. Fernow, B. E. and others, Forest influences. Forest Service, U. S. 

 Dept. Agric, BuU. 7. 1893. 



64. Bray, W. L., The timber of the Edwards Plateau of Texas. U. S. 

 Dept. Agric, Bureau of Forestry, Bull. 49. 1904. 



65. Hall, W. L., and Maxwell, H., Surface conditions and stream flow. 

 U. S. Dept. Agric, Forest Service, Cir. 176. 1910. 



66. Schwarz, G. F., The diminished flow of the Rock river in Wisconsin 

 and Illinois and its relation to the surrounding forests. U. S. Dept. Agric, 

 Bureau of Forestry, Bull. 44. 1903. 



67. TouMEY, J. W., Relation of forests to stream flow. U. S. Dept. Agric 

 Yearbook. 1903. 



68. ZoN, R., Final report of the National Waterways Commission. U. S. 

 Senate Doc. 469. 1912. 



69. Bates, C. G., Windbreaks. U. S. Dept. Agric, Forest Service Bull. 86. 

 1911. 



70. Forestry Quarterly. Washington, D. C. Vols. I-XIII. 1903-15. 



71. Proceedings of the Society of American Foresters. Washington, D. C. 

 Vols. I-X. 1906-15. 



72. ZoN, R., and Graves, H. S., Light in relation to tree growth. U. S. 

 Dept. Agric, Forest Service Bull. 92. 1911. (Contains bibliography.) 



73. Clements, F. E., The life history of lodgepole bum forests. U. S. 

 Dept. Agric, Forest Service Bull. 79. 1910. 



74. Ganong, W. F., The organization of the ecological investigation of 

 the physiological life histories of plants. Bot. Gaz., 43. 1907. 



75. Wiesner, J., Der Lichtgenuss der Pflanzen. Leipzig. 1907. 



76. CowLES, H. C, The physiographic ecology of Chicago and vicinity; 

 a study of the origin, development, and classification of plant societies. Bot. 

 Gaz., 31:73-108, 145-182. 1901. 



77. Moss, C. E., The fundamental units of vegetation. New Phytologist, 

 9:19-49. 1910. 



78. Tansley, a. G., The problems of ecology. New Phytologist, 3 :191-200. 

 1904. 



79. Clements, F. E., Plant physiology and ecology. New York. 1907. 



80. Knuchel, H., Spektrophotometrische Untersuchungen im Walde. 

 Mitt. d. Schweiz. Central, d. forst. Versuchs., XI :1. Zurich. 1914. (For 

 review see Proc. Soc Am. Foresters, X:l. 1915.) 



81. LoREY, T. VON, Handbuch der Forstwissenschaft. Tubingen. 1903. 



82. Fernow, B. E., Report upon the forestry investigations of the U. S. 

 Department of Agriculture, 1877-98. Washington, D. C. 1899. 



83. Wagner, C. H., Der Blendersaumschlag und sein-system. Tubingen. 

 1912. 



84. Duesberg, R., Der Wald als Erzieher. Beriin. 1910. 



85. Reuss, H., Die forstliche Bestandesgrundvmg. Berlin. 1907. 



86. Godberssen, H., Die Kiefer. 1904. 



87. Dittmar, H. J. A., Der Waldbau. Neudamm. 1910. 



88. Jentsch, F., The rise of silviculture. Translated by F. Dunlap. 

 Forestry Quarterly, IX :4. 1911. 



89. Reynolds, R. V. R., Grazing and floods. Forest Service, Bull. 91. 

 1911. 



90. Cooper, W. S., Plant succession in the Palo Alto region. Science, 

 N. S., XLII:1094:877. 1915. 



91. Boerker, R. H., Some notes on forest ecology and its problems. Proc. 

 Soc. Am. For., X:4, 405 ff. 1915. 



92. Shreve, F., The weight of physical factors in the study of plant dis- 

 tribution. Plant World, 19:3, 53-67. 1916. 



93. Shreve, F., The vegetation of a desert mountain range as conditioned 

 by climatic factors. The Carnegie Institution of Washington. 1915. 



94. Boerker, R. H., Ecological investigations upon the germination and 

 early growth of forest trees. Univ. Nebraska Studies, 16:1, 1-89. January, 

 1916. 



