NATURE OF 



GREEN OR OFFCOLOR CONDITION 



IN PRECOOKED YELLOWFIN TUNA 



Marine Biological Laboratory 



LIBRA. RTT 



APR 2 2 1957 

 WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT- FISHERIES No. 197 



UNITED STATES DEPARTMENT OF THE INTERIOR 

 FISH AND WILDLIFE SERVICE 



