Table 3. --Continued 



Phytoplankton: 



Depth 



Chlorophyll a 



STATION 73 (con.) 

 Biological Data 



Photosynthesis 



100 

 125 

 150 



Water column: 11 mg./m. 

 Phytoplankton haul taken. 

 Zooplankton: N-C N, o to 131 m. 



(34'10"), 37.1 ml. T, 36.2 ml. S. 



STATION 74 



HUGH M. SMITH; September 9, 1959; 0445 G.c.t. (zone +6, 2245, IX-8); 14°20'N., 95°59'W. ; sounding, 1850 fm. ; wind, 030°, 

 force 2; temp., 85.0°F. dry, 78.3°F. wet; weather, partly cloudy; sea, moderate; wire angle, 17°; BT slide No. 74A, 74B. 



a) Duplicate values: 43 m., 1.87; 52, 2.28; 71, 2.90; 144, 2.90; 180, 



3; 212, 2.99; 1125, 3.74 ug. at./l. 



