Leipzig, Wilh. Hirsemann, 1877. Cont. leatherbacked boards. VI,120 pp. A few brownspots at end.
First edition of one of the earliest works on "osmosis" in plantcells. - "The connection between the osmotic properties of plant cells and semi-permeability..of the protoplasm was elucidated in principle by Pfeffer and de Vries in 1877, who both recognized the function of the plasmalemma in the control of entry of solutes into the cell." (A.G. Morton).