EFFECTS OF VARIOUS 

 CONCENTRATIONS OF DDT 



ON SEVERAL SPECIES OF 

 FISH OF DIFFERENT SIZES 



Marine Binlo^'i., i i. .,,. ., .i,,iy 



L I 13 S, A K Y 



' DEC -9 1949 



WOODS HOLE, MA'-S. 



SPECIAL SCIENTIFIC REPORT: FISHERIES No. 4 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



