CONTENTS. 



Page. 



Introduction ^ 



Bass, fhiroiioinid, and al^id relations 6 



Importance of alKiil mats as forage 8 



Field cliaracters of various algal mats 8 



P>osnnna and Volvox association •? 



Scapholelteris and Mougeotia association 10 



Daphnia and Aplianizomenon association 11 



Mayflies in the food of bass 13 



The direct function of plants In fishponds l-> 



Summary 1"^ 



Tal)les 1-1 



Bibliography 1**^ 



3 



