REFERENCES CITED 



365 



103. Garner, W. W. Recent work on 

 photoperiodism. Bot. Rev., 3: 259- 

 275, 1937. 



104. , and Allard, H. A. Effect of the 



relative length of day and night and 

 other factors of the environment on 

 growth and reproduction in plants. 

 Jour. Agr. Res., 18: 553-606, 1920. 



105. Garren, K. H. Effects of fire on vege- 



tation of the southeastern United 

 States. Bot. Rev., 9: 617-654, 1943. 



106. Glinka, K. D. The Great Soil Groups 



of the World and Their Development 

 (Engl, transl. by C. F. Marbut). Ann 

 Arbor, Mich.: Edwards Brothers, 

 1927. 150 pp. 



107. Glock, W. S. Principles and Methods 



of Tree-Ring Analysis. Carnegie Inst. 

 Wash. Publ. 486: 1-100, 1937. 



108. Gordon, W. E. Nomograms for con- 



version of psychrometric data. Ecology, 

 21: 505-508, 1940. 



109. Graham, E. H. Natural Principles of 



Land Use. New York: Oxford Uni- 

 versity Press, 1944. 274 pp. 



110. Griggs, R. F. The edge of the forest 



in Alaska and the reasons for its po- 

 sition. Ecology, 15: 80-96, 1934. 



111. Grisebach, A. H. R. Die Vegetation der 



Erde nach ihrer klimatischen Anord- 

 nung. Leipzig: W. Engelmann, 1872. 

 2 vol., 603 and 635 pp. 



112. Haeckel, E. Ueber Entwicklungsgang 



und Aufgabe der Zoologie. Jena- 

 ischer Zeitschr. fur Naturwiss. 5: 353- 

 370, 1869. 



113. Haldane, J.S., and Graham, J.I. 



Methods of Air Analysis. London: 

 Charles Griffin, 1935. 177 pp. 



114. Hall, T. F., and Penfound, W. T. 



Cypress-gum communities in the 

 Blue Girth Swamp near Selma, Ala- 

 bama. Ecology, 24: 208-217, 1943. 



115. Hansen, H. P. Postglacial forest suc- 



cession, climate and chronology in 

 the Pacific northwest. Trans. Am. 

 Phil. Soc. 37: 1-130, 1947. 



116. Hanson, H. C. Ecology in agriculture. 



Ecology, 20: 111-117, 1939. 

 117. . Fire in land use and manage- 

 ment. Am. Midi. Nat., 21: 415-434, 

 1939. 



118. Harshberger, J. W. Phyto geographic 



Survey of North America. New York: 

 G. E. Stechert & Company, Inc., 

 1911. 



119. Haw-ley, Florencb. Tree-Ring Analy- 



sis and Dating in the Mississippi Drain- 

 age. Chicago: University of Chicago 

 Press, 1941. 110 pp. 



120. Heibbrg, S. O., and Chandler, R. F. 



A revised nomenclature of forest 

 humus layers for the northeastern 

 United States. Soil Sci., 52: 87-99, 

 1941. 



121. Heimburger, C. Forest Type Studies in 



the Adirondack Region. Cornell Univ. 

 Agr. Exp. Sta. Mem. 165:1-122, 1934. 



122. Henderson, L.J. The Fitness of the En- 



vironment. New York: The Macmil- 

 lan Company, 1913. 317 pp. 



123. Hendricks, B. A. Effect of forest lit- 



ter on soil temperature. Chronica 

 Botanica, 6: 440-441, 1941. 



124. Hofman, J. V. The establishment of a 



Douglas fir forest. Ecology, 1: 49-53, 

 1920. 



125. Huffaker, C B. Vegetational cor- 



relations with vapor pressure deficit 

 and relative humidity. Am. Midi. 

 Nat., 28: 486-500, 1942. 



126. Humboldt, A. von. Ideen zu einer Geo- 



graphie der Pflanzen nebst einem Natur- 

 gemalde der Tropenldnder. Tubingen: 

 1807. 182 pp. 



127. Humm, H.J. Bacterial leaf nodules. 



Jour. N. Y. Botanical Garden, 45: 

 193-199, 1944. 



128. Humphreys, W.J. Fogs and Clouds. 



Baltimore: Williams and Wilkins 

 Co., 1926. 



129. . Ways of the Weather. Lancaster 



Pa.: Jaques Cattell Press, 1942. 400 . 

 pp. 



130. Jaccard, P. Die statistische-florist- 



ische Methode als Grundlage der 

 Pflanzensoziologie. Handb. Biol. Ar- 

 beitsmeth. A.bderhalden XL 5: 165- 

 202, 1928. 



131. Jenny, H. Factors of Soil Formation. 



New York: McGraw-Hill Book Co., 

 1941. 281 pp. 

 132. , and Cow an, E. W. The utiliza- 

 tion of adsorbed ions by plants. 

 Science, 77: 394-396, 1933. 



133. Jones, G. N. A Botanical Survey of the 



Olympic Peninsula, Washington. U. of 

 Wash. Publ. in Biol. 5: 1-286, 1936. 



134. Kearney, T.H.,Briggs,L. J., Shantz, 



H. L., McLane, J. W. and Piemei- 

 SEL, R. L. Indicator significance of 

 vegetation in Tooele Valley, Utah. 

 Jour. Agr. Res., 1: 365-417, 1914. 

 134a. Kelley, A. P. Plant indicators of soil 

 types. Soil Sci., 13: 411-423, 1922. 



135. Kellogg, C. E. Development and Sig- 



nificance of the Great Soil Groups 

 of the United States. U. S. Dept. Agr. 

 Misc. Pub. 229, 1936. 



136. . The Soils That Support Us. New 



York: The Macmillan Company, 

 1941. 370 pp. 



