VI 
INDEX OF AUTHORS. 
Page 
Bartlett, A. W. On an improved Method for Demon¬ 
strating the Absorption of Oxygen 
in Respiration. [Laboratory Note] 
(l Text-fig.) ... ... ... 151 
Blackman, V. H. The Significance of the Efficiency 
Index of Plant Growth ... ... 97 
Briggs, G. E. See Kidd, West, and Briggs. 
- See West, Kidd, and Briggs. 
Browne, I. M. P. Phylogenetic Considerations on the 
Internodal Vascular Strands of 
Equisetum (7 Text-figs.) ... ... 11 
Dufrenoy, Jean. The Occurrence of Actinomyces-like 
Endotrophic Mycorhiza (5 Text- 
figs.) . 40 
E(dwards), W.N. Fossil Plants, by A. C. Seward [Review] 277 
Gates, R. Ruggles. Mutations and Evolutions. 
Chaps. 
I and II 
... 
26 
>> 
II and III 
... 
64 
>) 
IV and V 
... 
132 
Chap. 
VI 
... 
172 
Chaps. 
VII — XII 
... 
213 
Ghose, S. L. Campylonema Lahorense , A New 
Member of Scytonemaceae (6 Text- 
figs.) . 35 
Gundersen, Alfred. Plant Families: A plea for an 
International Sequence ... ... 264 
Kidd, Franklin, West, Cyril, and Briggs, G. E. What is 
the Significance of the Efficiency 
Index of Plant Growth ? (2 Text- 
figs.) . 88 
Kidd, F. See West. 
Hodgetts, W. J. Notes on Freshwater Algae I—IV 
(2 Text-figs.) . 254 
Lynn, M. J. See Small J. 
