190 



DISCOVERY REPORTS 



St. WS543. 29.1.31. 6o° ioi'S, i8°oo'W. 100-0 m 



Temp. -0-45° C. Salinity 33-45 % . 

 Rhizosolenia hebetata Bailey 

 Corethron criophilum Castracane 

 Nitzschia seriata Cleve 



Fragilariopsis antarctica (Castracane) Hustedt 



Rhizosolenia bidens Karsten 



Nitzschia closterium (Ehrenberg) Wm. Smith 



St. WS545. 30.1.31. 6i°si' S, 17 15' W. 100 

 Temp. -0-92° C. Salinity 34-07 °/ 00 . 



Rhizosolenia hebetata Bailey 

 Chaetoceros criophilum Castracane 

 Corethron criophilum Castracane 

 Thalassiosira antarctica Comber 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Nitzschia seriata Cleve 



-o m. 



Rhizosolenia alata Brightwell 

 Chaetoceros dichaeta Ehrenberg 

 Chaetoceros Chunii Karsten 

 Asteromphalus Hookerii Ehrenberg 

 Coscinodiscus lentiginosus Janisch 

 Dactyliosolen antarcticus Castracane 



St. WS547. 30. i. 31. 62 40' S, 17 02' W. 100-om. 

 Temp. -0-85° C. Salinity 33-96 °/ 00 . 



Rhizosolenia hebetata Bailey 

 Chaetoceros criophilum Castracane 

 Corethron criophilum Castracane 



St. WS548. 31. i. 31. 64 07' S, 15 38' W. 100- 

 Temp. -0-58° C. Salinity 34-06 °/ 00 . 



Corethron criophilum Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Chaetoceros criophilum Castracane 

 Rhizosolenia alata Brightwell 

 Rhizosolenia hebetata Bailey 

 Chaetoceros neglectum Karsten 



Fragilariopsis antarctica (Castracane) Hustedt 

 Nitzschia seriata Cleve 

 Rhizosolenia alata Brightwell 



■0 m. 



Nitzschia seriata Cleve 

 Chaetoceros dichaeta Ehrenberg 

 Coscinodiscus lentiginosus Janisch 

 Dactyliosolen antarcticus Castracane 

 Actinocyclus intermittens Karsten 



St. WS549. 31. i. 31. 65 17'S, i5°33'W. 100-0 m 



Temp. -0-50° C. Salinity 34-14 °/ 00 - 

 Corethron criophilum Castracane 

 RhizosoleJiia alata Brightwell 

 Rhizosolenia hebetata Bailey 

 Chaetoceros criophilum Castracane 

 Chaetoceros neglectum Karsten 

 Nitzschia seriata Cleve 



Fragilariopsis antarctica (Castracane) Hustedt 

 Asteromphalus Hookerii Ehrenberg 

 Dactyliosolen antarcticus Castracane 

 Coscinodiscus lentiginosus Janisch 

 Chaetoceros dichaeta Ehrenberg 

 Actinocyclus intermittens Karsten 



St. WS550. i.ii. 31. 66°5il'S, 15 24' W. 100 



Temp. -0-23° C. Salinity 34-06 % . 

 Chaetoceros neglectum Karsten 

 Corethron criophilum Castracane 

 Chaetoceros dichaeta Ehrenberg 

 Dactyliosolen antarcticus Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Rhizosolenia alata Brightwell 

 Chaetoceros criophilum Castracane 

 Chaetoceros atlanticum var. ncapolitana (Schroder) 

 Hustedt 



•0 in. 



Rhizosolenia hebetata Bailey 

 Chaetoceros Schimperianum Karsten 

 Coscinodiscus lentiginosus Janisch 

 Asteromphalus Hookerii Ehrenberg 

 Eucampia balaustium Castracane 

 Nitzschia pelagica Karsten 

 Actinocyclus intermittens Karsten 

 Asteromphalus heptactis (Brebisson) 

 Pritchard 



Ralfs ex 



