THE JOURNAL 
OF 
THE LINNEAN SOCIETY. 
(BOTANY. 
em 6 
The Ales of the Yan Yean Reservoir, Victoria: a Biological and Œcological 
Study. By б. 5. West, М.А., D.Sc., F.L.S., Lecturer on Botany in 
the University of Birmingham. 
(PLATES 1-6 and 10 Text-figures.) 
[Read 18th June, 1908. | 
Page 
Inanu mE 1 
I. The Phytoplankton _......................... mn G 
General utile 6 
Monthly Statement of Plankton from Feb. 1905 to Feb, 1906 .. 1] 
Table of Phytoplankton .....,........,,,................. 14 
Dominant Forms and their Periodicity ...................... 18 
II. The Littoral Alra-flora (or Microphytic Вепоз)................ 23 
General Notice ....,.....,.,,,......,,...,.,,........, 22 
Monthly Statement of the Microphytic Benthos from Feb. 1905 
to Jan. Tun 25 
Table of Littoral Aleng... 25 
Dominant Forms and their Periodicity ...................... 32 
III. The Algæ of the Yan Yean Drainage Атеа...................... 35 
IV. The Relations between the Plankton, Benthos, and Algz of the 
Drainage Aren... 40 
V. Systematic Account of the more Noteworthy Species ............ 43 
VI. The Peculiarities of the Australasian Alga-flora ................ 82 
VII. General Summary у... инете кения .... 84 
INTRODUCTION. 
AnovT the middle of October, 1904, I received from Mr. А. D. Hardy, F.L.S., 
of the Lands Department, Melbourne, two slides of Alum: from the Yan Yean 
Reservoir, and their inspection revealed such a number of interesting species 
LINN. JOURN.—BOTANY, VOL. XXXIX. B 
