29 



STATION 15 

 (regular forenoon) 



April 30, 1958; 1840 GCT; 15°28.5'N, 112^23'W; 1847 fm; wind, 040°, force 2; temp. 

 weather, cloudy; sea, slight; wire angle, 08°; time zone 8. 



83. 0°F dry, 75. 8°F wet; 



Phytoplankton: depth (m) of chlorophyll a (mg/m ), 1, 0.067; 12, 0.071; 20, 0. 059; 31, 0.052; 52, 0.095; 84, 0.33; 

 129, 0.062. 



Water column chlorophyll a: 21 mg/m^ 



Zooplankton: N-C N, o to 288 m, 2016-2049 GCT, 30 ml T, 30 ml S; H at m, 2037-2053 GCT, 22 ml T, 22 ml S. 



STATION 16 

 (regular night) 



May 1, 1958; 0800-1111 GCT; 13°58'N, 111°26'W; 1915 fm; wind, 360°, force 3; temp. , 80. 8°F dry, 75. 8°F wet; 

 weather, 02; clouds, 6, amt. , 2; sea, 2; swell, 030°, missing; time zone 8. 



Biological Data 



Zooplankton: N-C N, o to 288 m, 1048-1121 GCT, 129 ml T, 129 ml S; H at m, 1054-1126 GCT, 19 ml T, 19 ml S. 



Nekton: o, depth missing, 0813-0925 GCT, 232 ml T. 



Night-lighting operations. 



a) Duplicate values: m, 0.35; 10 m, 0.35; 1135 m, 3.60 ng at/L. 



