Index of Authors vii 
PAGE 
Seifriz, William. A method for inducing protoplasmic streaming 107 
Shrubbs, A., see Darwin 
Soar, Isabel. The structure and function of the endodermis in the 
leaves of the Abietineae (12 Text-figs.) . . . 269 
Stiles, Walter. Permeability 
VI. Osmotic Pressure (3 Text-figs.) . . .1 
VII. The Cell Wall (1 Table) . . . .49 
VIII. The Plasma-Membrane . . . .140 
IX. The water relations of the plant cell (8 Tables) . 169 
X. The influence of external conditions on the intake and 
excretion of water by plant cells and tissues . 233 
Watson, W. Review of Lichens by Annie Lorrain Smith . 102 
Woffenden, Lettice M., see Priestley 
