Ostenfeld, C. H.
1908. On the Ecology and Distribution of the Grass-Wrack (Zostera marina) in Danish Waters. Rep. Danish Biol. Sta. to Board of Agriculture, Vol. XVI, 1908. Trans. from the Fiskeri-Beretning for 1907, pp. 1-62.
An important paper showing the controlling relation of marine vegetation upon animal associations and particularly the fish of the coast. References to related zoölogical papers.
Moore, J. E. S.
1903. The Tanganyika Problem. pp. 371. London.
On pp. 107-119 Moore describes the invasion and succession of vegetation upon alluvial flats, recently drained. A graphic account of forest invasion. Apparently a little known study.
Ernst, A. (Trans. by A. C. Seward.)
1908. The New Flora of the Volcanic Island of Krakatau. pp. 74. Cambridge.
A study of the invasion of vegetation upon a new land surface formed by volcanic activity. Such studies as this aid one in breaking away from the older static view of vegetation and in seeing its more vital aspect.
Vaughan, T. W.