-21 - 



Water column chlorophyll a: 16 mg/m . 



Zooplaukton: N-C N, o to 317 m, 2015-2048 GOT, 10 ml T, 10 ml S; H at m, 2018-2048 OCT, 12 ml T, 12 ml S. 



Nekton: o, depth missing, 2152-2258 GCT, 35 ml T. 



STATION 9 

 (special) 



April 29, 1958; 0012-0220 GCT; 18''23. 5'N, 114°46. 5'W; 24 fm; time zone 8. 



Biological Data 



Zooplaukton: N-C N, H at 12 m, 0019-0047 GCT, 5 ml T, 5 ml S; H at m, 0025-0055 GCT, 4 ml T, 4 ml S. 



Nekton: H at 10 m, 0115-0218 GCT, 12 ml T. 



STATION 10 

 (regular night) 



April 29, 1958; 0405-0803 GCT; 18°04'N, 114°28'W; time zone 8. 



Biological Data 



Zooplankton: N-C N, o to 305 m, 0713-0747 GCT, 31 ml T, 31 ml S; H at m, 0719-0755 GCT, 36 ml T, 36 ml S. 



Nekton: o, depth missing, 0555-0700 GCT, 75 ml T. 



Night-lighting operations. 



STATION 11 

 (special) 



April 29, 1958; 0913-1118 GCT; 18°21'N, 114°40'W; 20 fm; time zone 8. 



Biological Data 



Zooplankton: N-C N, H at 21 m, 1030-1059 GCT, 151 ml T, 151 ml S; H at m, 1035-1105 GCT. 19 ml T, 19 ml S. 



Nekton: H at 10 m, 0912-1020 GCT, 73 ml T. 



STATION 12 

 (special) 



April 29, 1958; 1221-1440 GCT; 18°32'N, 114°50'W; time zone 8. 



Biological Data 



Zooplankton: N-C N, o to 295 m, 1400-1432 GCT, 20 ml T, 20 ml S; H at m, 1406-1437 GCT, 37 ml T, 37 ml S. 



Nekton: o, depth missing, 1240-1355 GCT, 474 ml T. 



STATION 13 

 (regular forenoon) 



April 29, 1958; 2205 GCT; 18°08. 5'N, 114°32'W; 2020 fm; wind, 020°, force 3; temp. , 75.2°Fdry, 70.2°Fwet; 

 weather, cloudy; sea, slight; wire angle, 25°; time zone 8. 



