and Scripps Institution of Oceanography cruise was done under the direction 

 of Robert W= Holmes, Account? of the cruise and the technique^ employed tor 

 qarbon isotope measurement of primary productivity, essentially that cf 

 Steemann-Nielsen (1952), are given, in preliminary fashion without listing the 

 productivity measurements made, (Holmes and Blackburn, 1960) . 



S004. "SCOPE" cooperative cruise of the Inter=American Tropical Tuna 

 Commission and Scripps Institution of Oceanography aboard the M/v/ STRA-NGER 

 during November and December 1956. This cruise passed along the coast of 

 the Americas between 4 " and 33^ North Latitude under the scientific leader- 

 ship cf Robert W, Holmes, who was also responsible for the productivity data. 

 Holmes (1958) has published an account of the techniques and tables of 

 different types of daca gathered on this cruise. Other papers in the same 

 Special Scientific Report of the U. S, Fish and Wildlife Service treat 

 various, experimental, aspects of the data. The station numbers given were 

 artificially derived from those assigned on the cruise. Scripps station numbers 

 OlA^ GIB; 0-1, 23-1^ and 24-1 would be sought respectively as Oil, 012^ OlA, 

 OIX; and OlY. 



In situ experiments carried out by suspending bottles In the sea are 

 indicated by a "7" in technique column 39. Results from trailing bottles 

 astern of the moving vessel are indicated by a "2" in technique column 39. 



T. Data from the Inter-American Tropical Tuna Commission, 



TOO! . Daca from the May - June 1957, cruise of the SPENCER F. BAIRD 

 an account of which has been published (Bennett and Schaefer, 1960) , The 

 cruise went south along approximately 116° West Longitude from San Diego 

 to 17" North Latitude; thence, east along 17"^ northward to Socorro Island and 

 back to San Diego. Fhytoplankton and primary productivity measurements were 

 made. A large number of measurements was made near the islands along the 

 cruise track. A "7" in the special technique columns indicates in situ 



610 



