32 
William J. Hodgetts 
Professor G. S. West for his very kind interest in the early part of 
this work, and for his help in identifying several of the algal species 
(particularly the Desmids) which have occurred in the pond. 
BIBLIOGRAPHY 
(1) Andersen, E. N. and Walker, E. R. An Ecological Study of the Algae 
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34, 1920, pp. 519-524- 
