EFFECTS OF VARIOUS 

 CONCENTRATIONS OF DDT 



ON SEVERAL SPECIES OF 

 FISH OF DIFFERENT SIZES 



Marine Biiii(r>i.ij i. „.!: .loiy 



L 1 13 SI A Pf. Y 



DEC-9 19'^,9 



WOODS HOLE, M.'^S. 





SPECIAL SCIENTIFIC REPORT: FISHERIES No. 4 



UNITED STATES OEPARTMENT OF THE INTERIOR 

 FISH ANO WILDLIFE SERVICE 



