176 



Chaetoceros cruciatum Karsten 

 Rhizosolenia alata Brightwell 

 Chaetoceros atlanticum Cleve 

 Rhizosolenia simplex Karsten 

 Coscinodiscus subtilis Ehrenberg 

 Coscinodiscus bouvet Karsten 

 Chaetoceros neglectum Karsten 

 Coscinodiscus variolatus Castracane 

 Chaetoceros Chunii Karsten 



DISCOVERY REPORTS 



Coscinodiscus Chunii Karsten 

 Rhizosolenia rhombus Karsten 

 Coscinodiscus lentigenosis Janisch 

 Chuniella oceanica (Karsten) Hendey 

 Pleurosigma directum Grunow 

 Thalassiosira antarctica Comber 

 Chaetoceros Schimperianum Karsten 

 Coscinodiscus eta Karsten 



St. 479. 13. xi. 30. 53 3 8f S, 40 aif 

 Temp. -0-62° C. Salinity 33-91 % 



Corethron criophilum Castracane 

 Chaetoceros criophilum Castracane 

 Rhizosolenia alata Brightwell 

 Rhizosolenia styliformis Brightwell 

 Fragilariopsis antarctica (Castracane) Hu 

 Charcotia bifrons (Castracane) Peragallo 

 Dactyliosolen antarcticus Castracane 

 Aster omphalus Hookerii Ehrenberg 

 Biddulphia striata Karsten 

 Chaetoceros neglectum Karsten 

 Coscinodiscus variolatus Castracane 

 Rhizosolenia simplex Karsten 

 Nitzschia pelagica Karsten 



W. 1 00-0 m. 



pHygg. P 2 5 86. 



Nitzschia seriata Cleve 

 Coscinodiscus lentigenosis Janisch 

 Coscinodiscus subtilis Ehrenberg 

 Actinocyclus Janus Karsten 



stedt Coscinodiscus nitidus Gregory 



Thalassiosira antarctica Comber 

 Rhizosolenia rhombus Karsten 

 Chaetoceros sociale Lauder 

 Chaetoceros atlanticum Cleve 

 Rhizosolenia bidens Karsten 

 Coscinodiscus decrescens Grunow 

 Chaetoceros Schimperianum Karsten 

 Chaetoceros Chunii Karsten 



St. 480. 13. xi. 30. 53 40^' S, 39 54' W. 100 

 Temp. -0-58° C. Salinity 33-88 °/ 00 . ^H 



Chaetoceros criophilum Castracane 

 Corethron criophilum Castracane 

 Rhizosolenia hebetata Bailey 

 Coscinodiscus radiatus Ehrenberg 

 Rhizosolenia styliformis Brightwell 

 Rhizosolenia alata Brightwell 

 Nitzschia seriata Cleve 



Fragilariopsis antarctica (Castracane) Hustedt 

 Biddulphia striata Karsten 



-o m. 



8-03. P 2 5 106. 



Chaetoceros radiculum Karsten 

 Asteromphalus Hookerii Ehrenberg 

 Eucampia balaustium Castracane 

 Actinocyclus Janus Karsten 

 Chaetoceros sociale Lauder 

 Coscinodiscus subtilis Ehrenberg 

 Coscinodiscus lentigenosis Janisch 

 Chaetoceros Chunii Karsten 

 Coscinodiscus oculoides Karsten 



St. 481. 13/14. xi. 30. 53° 44l' S, 39° 29I' W. 

 Temp. -0-50° C. Salinity 33-92 °/ 00 . pH 



Corethron criophilum Castracane 

 Chaetoceros criophilum Castracane 

 Thalassiosira antarctica Comber 

 Eucampia balaustium Castracane 

 Fragilariopsis antarctica (Castracane) Hustedt 

 Rhizosolenia hebetata Bailey 

 Chaetoceros neglectum Karsten 

 Coscinodiscus subtilis Ehrenberg 



1 00-0 m. 



8-03. P 2 5 90. 



Coscinodiscus lentigenosis Janisch 

 Chaetoceros Chunii Karsten 

 Rhizosolenia styliformis Brightwell 

 Coscinodiscus oculoides Karsten 

 Biddulphia striata Karsten 

 Chuniella oceanica (Karsten) Hendey 

 Actinocyclus intermittens Karsten 

 Cerataulina Bergonii Peragallo 



