166 DISCOVERY REPORTS 



St. 337. 5. ii. 30. 55 09' S, 36 48' W. 100-0 m. 



Temp. 2-95° C. Salinity 33-88 °/ 00 . pH 8-n. P 2 O s 83. 



Corethron criophilum Castracane Rhizosolenia alata Brightwell 



Coscinodiscus trigonus Karsten Dactyliosolen antarcticus Castracane 



Coscinodiscus curvatulus Grunow Chaetoceros neglectum Karsten 



Rhizosolenia styliformis Brightwell Rhizosolenia crassa Karsten 

 Coscinodiscus pyrenoidophorus Karsten 



St. 338. 5. ii. 30. 55 oo|' S, 36 46' W. 100-0 m. 



Temp. 3-56° C. Salinity 33-86 % . pH 8- 13. P 2 5 78- 

 Corethron criophilum Castracane Coscinodiscus pyrenoidophorus Karsten 



Coscinodiscus trigonus Karsten Chaetoceros neglectum Karsten 



Rhizosolenia styliformis Brightwell Rhizosolenia alata Brightwell 



Coscinodiscus grandenucleatus Karsten Rhizosolenia crassa Karsten 



St. 339. 5. Ii. 30. 54 51-!' S, 36°44 2 -' W. 100-0 m. 



Temp. 4-08° C. Salinity 33-84 °/ 00 . pH 8-12. P 2 5 66. 



Corethron criophilum Castracane Asteromphalus Hookerii Ehrenberg 



Coscinodiscus grandenucleatus Karsten Rhizosolenia crassa Karsten 



Rhizosolenia styliformis Brightwell Rhizosolenia rhombus Karsten 

 Rhizosolenia alata Brightwell 



St. 340. 5. ii. 30. 54 36' S, 36 40^' W. 100-0 m. 



Temp. 4-30° C. Salinity 33-77 °/ 00 . pH 8-14. P 2 O s 71. 



Corethron criophilum Castracane Coscinodiscus lineatus Ehrenberg 



Coscinodiscus grandenucleatus Karsten Rhizosolenia alata Brightwell 



St. 365. 2. iii. 30. Between Visokoi and Candlemas Island, South Sandwich Islands; 56°54'S, 

 27° 00' W. 1 00-0 m. 



Temp. 0-49° C. Salinity 33-80 °/ 00 . pH 8-09. P 2 5 89. 



Coscinodiscus sub-bulliens Jorgensen Fragilariopsis antarctica (Castracane) Hustedt 



Chaetoceros atlanticum Cleve Eucampia balaustium Castracane 



Dactyliosolen antarcticus Castracane Asteromphalus Hookerii Ehrenberg 



Chaetoceros dichaeta Ehrenberg Rhizosolenia alata Brightwell 



Corethron criophilum Castracane (spineless chains) Rhizosolenia simplex Karsten 

 Rhizosolenia hebetata Bailey 



St. 368. 8. iii. 30. One mile north of Twitcher Rock, Douglas Strait, Southern Thule, South 

 Sandwich Islands. 100-0 m. 

 Temp. o-n° C. Salinity 34-02 % . pH 8-05. 



Coscinodiscus sub-bulliens Jorgensen Actinocyclus bifrons Karsten 



Chaetoceros atlanticum Cleve Asteromphalus parvulus Karsten 



Chaetoceros criophilum Castracane Dactyliosolen antarcticus Castracane 



Rhizosolenia hebetata Bailey Rhizosolenia bidens Karsten 



Rhizosolenia alata Brightwell Biddulphia striata Karsten 



Fragilariopsis antarctica (Castracane) Hustedt Chaetoceros atlanticum var. neapolitana (Schroder) 



Chaetoceros dichaeta Ehrenberg Hustedt 



Coscinodiscus lineatus Ehrenberg Asteromphalus Hookerii Ehrenberg 



Corethron criophilum Castracane Eucampia balaustium Castracane 



