1 64 DISCOVERY REPORTS 



Stephanopyxis funis (Greville) Ralfs ex Pritchard Actinoptychus senarius Ehrenberg 



Chaetoceros atlanticum Cleve Thalassiosira hyalina (Grunow) Gran 



Coscinodiscus gigas Ehrenberg Chaetoceros didymum Ehrenberg 

 Tlialassiosira condensata Cleve 



St. 263. 19. vii. 27. 33 06' S, 17° 08' E. 100-0 m. 

 Temp. 15-45° C. Salinity 35-32 % . pU 8-35. 

 Planktoniella sol ( Wallich) Schutt Coscinodiscus radiatus Ehrenberg 



Coscinodiscus li?ieatus Ehrenberg Rhizosolenia alata Brightwell 



Fragilaria granulata Karsten Actinoptychus senarius Ehrenberg 



Rhizosolenia simplex Karsten Coscinodiscus Grani Gough 



St. 264. 19/20. vii. 27. 33° 06' S, 16 55' E. 100-0 m. 



Temp. 15-24° C. Salinity 35-30 °/ 00 . />H 8-35. 

 Planktoniella sol (Wallich) Schutt Fragilaria granulata Karsten 



Coscinodiscus lineatus Ehrenberg Coscinodiscus Grani Gough 



Rhizosolenia simplex Karsten 



St. 265. 20. vii. 27. 33° 06' 30" S, 16° 32' E. 100-0 m. 



Temp. 15-31° C. Salinity 35-28 °/ D0 . pU 8-35. 

 Planktoniella sol (Wallich) Schutt 



St. 275. 4/5. viii. 27. 7 51' S, 12° 42' E. 2 m. 

 Rhizosoletiia Shrubsolii Cleve 



St. 289. 23/24. viii. 27. 3 04' 45" N, 16° 52' W. 100-0 m. 



Temp. 2 5 - 3 o : C. Salinity 35-28 % . pH 8-35. 

 Planktoniella sol (Wallich) Schutt Rhizosolenia hebetata Bailey 



St. 292. 24. viii. 27. 4 03' 15" N, 16° 51' W. 100-0 m. 



Temp. 25-93° C Salinity 35-46 °/ 00 . pU 8-35. 

 Rhizosolenia hebetata Bailey 



St. 293. 24. viii. 27. 4° 18' 15" N, 16° 51' W. 100-0 m. 



Temp. 26-01° C. Salinity 35-46 % . pH 8-36. 

 Rhizosolenia hebetata Bailey Rhizosolenia Bergonii H. Peragallo 



Chaetoceros coarctation Lauder 



St. 294. 25. viii. 27. 4° 33' 15" N, 16° 52' 45" W. 100-0 m. 



Temp. 26-30° C. Salinity 35-48 % . />H 8-38. 

 Rhizosolenia hebetata Bailey Hemidiscus cuneiformis Wallich 



Rhizosolenia alata Brightwell 



R.R.S. 'DISCOVERY IT 



St. 300. 20. i. 30. 52° 26J' S, 37° 14' W. 100-0 m. 



Temp. 2-92° C. Salinity 33-84 °/ 00 . pH 8-07. P 2 5 83. 

 Corethron criophilum Castracane (spineless chains) Rhizosolenia alata Brightwell 

 Guinardia flaccida (Castracane) Peragallo Rhizosolenia Shrubsolii Cleve 



Eucampia balaustium Castracane Fragilariopsis antarctica (Castracane) Hustedt 



