446 



VADAS, KESER, AND LARSON 



June 



Fig. 4 Thallus (plant) and apical tip survival as percent of plants 

 initially tagged during surface discharge and after relocation of the 

 discharge through a diffuser at control, Hodgson Island (a), and 

 experimental, Bailey Point (b), Young Point (c), and Foxbird Island 

 (d), sites. A, the average of 1973—1974 and 1974—1975. A, 

 1975—1976. r) 1976—1977. •, 1977—1978. 



