50 Factors Influencing Plant-Life on Sandy Sea-shores » 
Briggs, Lyman J., and Lapham, Macy H. Capillary studies and filtration of 
clay from soil solutions. Bull 19. Bureau of Soils, U.S. 
Dept. Agric., 1902. 
Conrad, F. W. Over duinen en stranden. In Verspreide bijdragen, Amsterdam, 
1849, pp. 57-112. 
Cowles, Henry C. The ecological relations of the vegetation of the sand dunes 
of Lake Michigan. Bor. Gaz. 27: 95 117, 167-202, 
281-308, 361-391, 1899. 
Deherain. Sur l’evaporation de l’eau et la decomposition de l’acide carbonique 
par les feuilles des vegeta ux. Annales d. sciences natur. 
Botanique, V. Serie, 1860. 
Duregne, E. Sur la distinction de deux ages dans la formation de dunes de 
Gascogne. Compt. Rend. Ac. Sci. CXI., pp. 1006-1008, 
1890. 
Hilgard, E. W. A report on the relations of soil to climate. Bull. U.S. 
Weather Bureau, 1892. 
Kearney, Thomas H., and Cameron, Frank K. Some mutual relations between 
alkali soils and vegetation. Report No. 71, U.S. Depart¬ 
ment of Agriculture, 1902. 
Keller. Studien fiber die Gestaltung der Sqndkfisten. Zs. Bauwesen, XXXL.: 
190-seq, 1881. 
Katao. Ueber die Wasserbewegung in Boden. Bull. Coll. Agr. Imp. Univ., 
Tokyo, v. 3, No. I., 1897. 
Kerner, A. Die Aufforstung des Ungarischen Tieflandes. Monatsschr. f. 
Forstwesen, 1865. 
King, F. H. Fluctuations in the level and rate of movement of ground water. 
Bull. 5, U.S. Weather Bureau, U. S. Department of 
Agriculture, 1892. 
,, Influence of soil management upon the water-soluble salts in 
soils and the yield of crops. Madison, 1904. 
,, Investigations in soil management. Bull. 26, Bureau of soils, 
U.S. Dept. Agr., 1905. 
Klinge, Johannes. Die vegetativen und topographischen Verhaltnisse der 
Nordkfiste der Kurischen Halbinsel. Sitzber. Nat. Ges. 
Jurjev. VII., pp. 76-124, 1884. 
Klinsmann. Ueber Bildung und Entstehung von Humus und Festlegung de- 
fliessenden Dfinensandes durch Steresnema Chthonos 
blastus Al. Br. Schr. phys. oek. Ges. Konigsberg. II., 
p. 127, 1861. 
Loughridge, R. H. Investigations in soil physics. Rep. Calif. Exper. Sta., 
1892-93. 
Olsson-Seffer, Pehr. Niigra iakttagelser ofver hafsvattnets salthalt i Finska 
Skargardshafvet. Geog. For. Tidskr., v. XI., pp. 257-280, 
1899. 
,, Genesis and development of sand formations on marine 
coasts. Bol. Soc. Geografla y Estadistica, Mexico (in 
the press). 
,, Relation of soil and vegetation on sandy sea shores. 
Botan. Gazette (in the press). 
,, Relation of wind to topography of coastal drift sands. 
Journ. Geology, v. XVI., No. 6, pp. 549-564, 1908. 
Parrau. Observations sur les dunes littorales en Algerie et en Tunisie. Bull. 
Soc. geol, France. (3) XVIII,, pp. 245-251, 1899-90. 
Rauner, St. The dunes, their fixing and forestation (in Russian). St. 
Petersburg, 1884. 
Reclus, Elise. Etude sur les dunes. Bull. Soc. geog. France (5), IX., p. 193, 
1865. Also in La Terre II., 4 Ed., 1881, p. 239. 
