United States Department of the Interior, Fred A. Seaton, Secretary 

 Fish and Wildlife Service, Arnie J. Sucmela, Commissioner 



THE OCCURREMCE AND SIGNIFICANCE OF TRIMETSnAMIHE 

 OXIDE IN MARINE ANIMALS 



By 



Herman S. Groninger 

 Biochemist 

 Bureau of Commercial Fisheries 



This is contribution No. 569 from the techno- 

 logical laboratories of the Bureau of Commercial 

 Fisheries, Fish and Wildlife Seirrice, U. S. 

 Department of the Interior. 



United States Fish and Wildlife Service 

 Special Scientific Report— Fisheries No. 333 



Washington, D. C. 

 Deceniber I959 



