1 94 DISCOVERY REPORTS 



St. WS 647. 22. vi. 31. 15 19' 12" S, 75° 11' 30" W. 50-0 m. 



Temp. 1379 C. Salinity 34-88 °/ 00 . 



Chaetoceros Lorenzianum Grunow Coscinodiscas gigas Ehrenberg 



Thalassiosira decipiens (Grunow) Jorgensen Coscinodiscus radiatus Ehrenberg 



Stephanopyxis turris (Greville) Ralfs ex Pritchard Actinoptychiis senarius Ehrenberg 



Coscinodiscus centralis Ehrenberg Skeletonema costatum (Greville) Cleve 



Rhizosolenia Shrubsolii Cleve Chaetoceros sociale Lauder 



St. WS648. 22. vi. 31. 15° 19' 30" S, 75 13' W. 

 Temp. 13-82° C. Salinity 34-87 % . 



Chaetoceros Lorenzianum Grunow 

 Thalassiosira decipiens (Grunow) Jorgensen 



St. WS649. 22. vi. 31. 15° 20' S, 75° 16' 30" W. 

 Temp. 14-19° C. Salinity 35-00 °/ 00 . 



Chaetoceros Lorenzianum Grunow 

 Thalassiosira decipiens (Grunow) Jorgensen 

 Coscinodiscus radiatus Ehrenberg 



St. WS650. 22. vi. 31. 15° 22' 30" S, 75° 22' W. 

 Temp. 14-43° C. Salinity 34-99 % . 



Chaetoceros Lorenzianum Grunow 

 Thalassiosira decipiens (Grunow) Jorgensen 



St. WS665. i.vii. 31. 12° 13' 18" S, 77° 21' 48" 



Temp. 17-55° c - Salinity 35-20 % . 

 Schroderella Schroderi (Bergon) Pavillard 



St. WS666. i.vii. 31. 12° 18' 30" S, 77° 30' 30" 



Temp. 17-84° C. Salinity 35-25 % . 

 Schroderella Schroderi (Bergon) Pavillard 

 Synedra pelagica Hendey 

 Rhizosolenia alata Brightwell 



1 00-0 m. 



Coscinodiscus radiatus Ehrenberg 

 Actinoptychiis senarius Ehrenberg 



1 00-0 m. 



Skeletonema costatum (Greville) Cleve 

 Actinoptychiis senarius Ehrenberg 



1 00-0 m. 



Actinoptychiis senarius Ehrenberg 

 Stephanopyxis turris (Greville) Ralfs ex Pritchard 



W. 1 00-0 m. 



W. 1 00-0 m. 



Coscinodiscus Asteromphalus Ehrenberg 

 Planktoniella sol (Wallich) Schiitt 

 Chaetoceros peruvianum Brightwell 



St. WS700. 2i.vii. 31. 05° 52' S, 8i° 15' 30" W. 100-0 m. 



Temp. 18-26° C. Salinity 35-13 



Chaetoceros decipiens Cleve 

 Chaetoceros didymum Ehrenberg 

 Coscinodiscus radiatus Ehrenberg 

 Rhizosolenia hebetata Bailey 

 Rhizosolenia Shrubsolii Cleve 



Vo 



Nitzschia seriata Cleve 

 Asterionella japonica Gran 

 Rhizosolenia styliformis Brightwell 

 Chaetoceros sociale Lauder 

 Rhizosolenia robusta Norman ex Pritchard 



St. WS701. 2i.vii. 31. 05° 48' S, 81° 22' 30" W. 100-0 m. 



Temp. 18-49° C. Salinity 35-11 °/ o0 . 

 Rhizosolenia hebetata Bailey Nitzschia seriata Cleve 



Coscinodiscus radiatus Ehrenberg Rhizosolenia styliformis Brightwell 



Chaetoceros decipiens Cleve Rhizosolenia robusta Norman ex Pritchard 



