248 



BULLETIN OP THE BUREAU OF FISHERIES. 



Table 20. — Dry Weight and Organic Matter op Plankton Crustacea and Rotuersin ThreS 

 Finger Lakes, N. Y., and in Green Lake, Wis. 



canandaigua lake. 



CAYUGA LAKE. 



SENECA LAKE. 



GREEN LAKE. 



