INDEX OF SUBJECTS. 
Page 
Absorption of Oxygen in Respiration, On an Improved 
Method for Demonstrating the [Laboratory Note] — 
A. W. Bartlett . 151 
Actinomyces-like endotrophic mycorhiza, The occurrence 
of—Jean Dufrenoy ... ... ... ... ... 40 
Algae, see Freshwater. 
Analysis of Plant Growth, see Quantitative. 
Anatomy, see Physiological. 
Angle of Balance in Roots, Stems and Leaves, On the— 
J. Small and M. J. Lynn ... ... ... ... 209 
Campylonenta Lahorense. A new member of Scytonem- 
aceae (6 Text-figs.)—S. L. Ghose ... ... ... 35 
Chemical Reversal, see Geotropism. 
Classification in the Genus Rosa , Hybridism and— 
J. R. Matthews ... ... ... ... ... 153 
Efficiency Index of Plant Growth, The Significance of the— 
V. H. Blackman 
Efficiency Index of Plant Growth, What is the Significance 
of the (2 Text-figs.)—F. Kidd, C. West, and G. E. 
Briggs. ... 
Elementary Lecturing with the Help of Schedules 
[Review]—A. G.T(ansley) 
Endotrophic Mycorhiza, The Occurrence of Actinomyces- 
like (5 Text-figs.)—Jean Dufrenoy 
Equisetum, Phylogenetic Considerations on the Internodal 
Vascular strands of (7 Text-figs.)-—I. M. P. Browne 
Evolution, Mutations and—R. Ruggles Gates 
Chap. I and II ... 
„ II and III. 
„ IV and V. 
,, VI .... ... _ ... 
„ VII — XII. 
Evolution of Plants, The [Review]—A. G. T(ansley) 
Evolution of Primitive Plants from the Geologist’s view¬ 
point, The—Chas. Schuchert 
97 
88 
44 
40 
1.1 
26 
64 
132 
172 
213 
1 
272 
