1 68 



DISCOVERY REPORTS 



St. 381. 13. iv. 30. 6i° 56!' S, 6i° 03f'W. 100-0 m. 



Temp. o-oo° C. Salinity 33-89 % . pU 8-oo. PA I0 ° 



Chaetoceros criophilum Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Chaetoceros dichaeta Ehrenberg 

 Eucampia balaustium Castracane 

 Chaetoceros atlanticum Cleve 

 Dactyliosolen antarcticus Castracane 

 Rhizosolenia alata Brightwell 

 Rhizosolenia hebetata Bailey 

 Corethron criophilum Castracane 



Thalassiosira subtilis (Ostenfeld) Gran 

 Leptocylindnis danicus Cleve 

 Coscinodiscus lineatus Ehrenberg 

 Asteromphalus Hookerii Ehrenberg 

 Actinocyclus bifrons Karsten 

 Asteromphalus parvulus Karsten 

 Rhizosolenia bidens Karsten 

 Nitzschia seriata Cleve 



St. 382. 13/14. iv. 30. 6i 27rS,6i°38i'W. 

 Temp. 0-32° C. Salinity 3378 % . pB. 8' 



Chaetoceros atlanticum Cleve 

 Chaetoceros sociale Lauder 

 Chaetoceros neglectum Karsten 

 Chaetoceros dichaeta Ehrenberg 

 Chaetoceros Castracanei Karsten 

 Chaetoceros criophilum Castracane 

 Corethron criophilum Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Nitzschia seriata Cleve 

 Dactyliosolen antarcticus Castracane 

 Chaetoceros cruciatum Karsten 



1 00-0 m 



10 



PA 123. 



Eucampia balaustium Castracane 

 Rhizosolenia alata Brightwell 

 Coscinodiscus lineatus Ehrenberg 

 Chaetoceros Chunii Karsten 

 Asteromphalus Hookerii Ehrenberg 

 Rhizosolenia hebetata Bailey 

 Asteromphalus parvidus Karsten 

 Actinocyclus Janus Karsten 

 Actinocyclus bifrons Karsten 

 Coscinodiscus oculoides Karsten 

 Rhizosolenia simplex Karsten 



St. 383. 14. iv. 30. 6o° 32' S, 62 42' W. 100 

 Temp. 0-45° C. Salinity 33-85 % . pU 8 



Chaetoceros atlanticum Cleve 

 Chaetoceros neglectum Karsten 

 Chaetoceros radiadum Castracane 

 Corethron criophilum Castracane 

 Dactyliosolen antarcticus Castracane 

 Chaetoceros dichaeta Ehrenberg 

 Nitzschia seriata Cleve 

 Coscinodiscus lineatus Ehrenberg 

 Rhizosolenia alata Brightwell 

 Rhizosolenia simplex Karsten 



-o m. 



05. P 2 5 105. 



Chaetoceros compression Lauder 



Rhizosolenia bidens Karsten 



Fragilariopsis antarctica (Castracane) Hustedt 



Chaetoceros criophilum Castracane 



Rhizosolenia hebetata Bailey 



Coscinodiscus lentiginosis Janisch 



Actinocyclus Janus Karsten 



Asteromphalus parvulus Karsten 



Chaetoceros Castracanei Karsten 



Rhizosolenia Shrubsolii Cleve 



St. 384. 14. iv. 30. 59 36I' S, 63 43^-' W. 100- 

 Temp. 2-02° C. Salinity 33-86 °/ 00 . pH 8-07 



Chaetoceros atlanticum Cleve 



Chaetoceros dichaeta Ehrenberg 



Rhizosolenia alata Brightwell 



Nitzschia seriata Cleve 



Corethron criophilum Castracane (spineless chains) 



Rhizosolenia rhombus Karsten 



Fragilariopsis antarctica (Castracane) Hustedt 



o m. 



• PA 115. 



Coscinodiscus lentiginosus Janisch 

 Actinocyclus intermittens Karsten 

 Asteromphalus parvulus Karsten 

 Dactyliosolen antarcticus Castracane 

 Rhizosolenia hebetata Bailey 

 Chuniella oceanica (Karsten) Hendey 

 Actinocyclus bifrons Karsten 



