Page 



32 Live foraminifera per cc of wet sediment found 

 at all shallow water stations from October, 19 70 



to October, 1971. 93 



33 Live foraminifera per cc of wet sediment found 

 at all deep water stations from October, 1970 to 

 October, 1971. 94 



34 Number of individuals per 100 feet of canal wall 

 in Safe Harbor, Stock Island, Florida Keys July, 



1970 to October, 1971, 96 



35 Numbers of Lytechinus variegatus and Tripneustes 

 ventriaosus per square meter in Thalassia flats 



east and west of the Safe Harbor turning basin. 99 



36 Aerial surveys of turtle grass beds adjoining 



the Safe Harbor turning basin (1968-19 71). 101 



37 Numbers of serpulids on thirty-day settlement 

 panels at shallow water Safe Harbor stations 

 November, 1970 to April, 1971. 103 



38 Numbers of serpulids on thirty-day settlement 

 panels at shallow water Safe Harbor stations 



May, 1971 to October, 1971. 104 



39 Numbers of serpulids on thirty-day settlement 

 panels at deep water Safe Harbor stations October, 



1970 to April, 1971. 105 



40 Numbers of serpulids on thirty-day settlement 

 panels at deep water Safe Harbor stations May, 



1971 to October, 1971. 106 



41 Mean number of serpulids settling per 50 cm^ per 

 month at biological stations in Safe Harbor. 107 



42 Monthly indices of serpulids settling on 50 cm^ 

 wooden panels at biological stations in Safe 

 Harbor compared to effluent exposure November, 1970 



to April, 1971. 109 



43 Monthly indices of serpulids settling on 50 cm^ 

 wodden panels at biological stations in Safe 

 Harbor compared to effluent exposure May, 1971 



to October, 1971. 110 



44 Mean number of barnacles settling per 50 cm^ per 

 month at biological stations in Safe Harbor. Ill 



