LIST OF STATIONS 



179 



St. 509. 24. xi. 30. 55°o 5 i'S, 34°oi'W. 100-0 m. 



Temp. -o-8 1 °C. Salinity 33-80 %„ 

 Chaetoceros criophilum Castracane 

 Eucampia balaustium Castracane 

 Thalassiosira antarctica Comber 

 Coscinodiscus sabtilis Ehrenberg 

 Thalassiosira gravida Cleve 

 Coscinodiscus trigonus Karsten 

 Rhizosolenia hebetata Bailey 

 Biddulphia striata Karsten 



pH 8-o6. P 2 5 75. 



Dactyliosolen antarcticus Castracane 

 Chaetoceros sociale Lauder 

 Coscinodiscus bouvet Karsten 

 Asteromphalus Roperianus Ralfs ex Pritchard 

 Melosira sphaerica Karsten 

 Rhizosolenia alata Brightwell 

 Chaetoceros atlanticum Cleve 

 Chaetoceros boreale Bailey 



St. 510. 25. xi. 30. 4-8 miles N 70° E of Clerke 

 Temp. -o-88°C. Salinity 33-86 °/ 00 . pH £ 



Chaetoceros criophilum Castracane 

 Eucampia balaustium Castracane 

 Rhizosolenia hebetata Bailey 

 Thalassiosira antarctica Comber 

 Coscinodiscus subtilis Ehrenberg 

 Biddulphia striata Karsten 

 Coscinodiscus trigonus Karsten 

 Thalassiosira gravida Cleve 

 Dactyliosolen antarcticus Castracane 

 Chaetoceros sociale Lauder 



Rocks, South Georgia. 100-0 m. 

 •06. PA79. 



Chaetoceros neglectum Karsten 

 Asteromphalus Roperianus Ralfs ex Pritchard 

 Chaetoceros atlanticum Cleve 

 Rhizosolenia alata Brightwell 

 Melosira sphaerica Karsten 

 Ethmodiscus gazellae (Janisch) Hustedt 

 Asteromphalus parvulus Karsten 

 Rhizosolenia simplex Karsten 

 Actinocyclus bifrons Karsten 

 Coscinodiscus variolatus Castracane 



St. 511. 25.xi.30. S4°s81'S, 34°sii'W. 100- 

 Temp. -0-85° C. Salinity 33-87 °/ 00 . pH 8 



Chaetoceros criophilum Castracane 

 Rhizosolenia alata Brightwell 

 Corethron criophilum Castracane 

 Coscinodiscus subtilis Ehrenberg 

 Biddulphia striata Karsten 

 Rhizosolenia hebetata Bailey 



o m. 



05. pa 81. 



Eucampia balaustium Castracane 



Thalassiosira gravida Cleve 



Fragilariopsis antarctica (Castracane) Hustedt 



Chaetoceros sociale Lauder 



Dactyliosolen antarcticus Castracane 



Thalassiosira antarctica Comber 



St. 512. 25. xi. 30. 54° 56' S, 35 17' W. 

 Temp. -0-55° C. Salinity 33-87 °/ O0 . 

 Chaetoceros sociale Lauder 

 Chaetoceros criophilum Castracane 

 Thalassiosira gravida Cleve 

 Rhizosolenia styliformis Brightwell 

 Chaetoceros neglectum Karsten 

 Biddulphia striata Karsten 

 Charcotia bifrons (Castracane) Peragallo 



100-0 m. 



PA 79- 



pH 8-07. 



Thalassiosira subtilis (Ostenfeldt) Gran 

 Eucampia balaustium Castracane 

 Dactyliosolen laevis Karsten 

 Corethron criophilum Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Rhizosolenia alata Brightwell 

 Coscinodiscus subtilis Ehrenberg 



St. 513. 25. xi. 30. 54 5 3 f ' S, 35 4 2|' W. 100-0 m. 



Temp. -0-42° C. Salinity 33-87 % . />H 8-07. P 2 5 81. 

 Chaetoceros sociale Lauder Rhizosolenia alata Brightwell 



Thalassiosira antarctica Comber Chaetoceros neglectum Karsten 



Chaetoceros criophilum Castracane Fragilariopsis antarctica (Castracane) Hustedt 



Thalassiosira gravida Cleve Biddulphia striata Karsten 



