ABSTRACT 



This report is principally a list of chemical 

 data collected aboard the U. S. Fish and Wildlife 

 Service M/V ALASKA while she was engaged in a biolog- 

 ical and oceanographic survey of the Gulf of Mexico. 

 The tables include observations on salinity, tempera- 

 ture, sigma-t, nitrate-nitrite nitrogen, total 

 phosphorus, inorganic phosphorus, "carbohydrates", 

 and "proteins". Some special data on the uranium and 

 phosphorus content of certain water sanqjles jmd sedi- 

 ments £ixe included. A brief introduction includes 

 remarks on the physical oceanography of the Gulf of 

 Mexico and the study of orgEinic compounds. 



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