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