186 DISCOVERY REPORTS 



Asteromphalus heptactis (Brebisson) Ralfs ex Chaetoceros dichaeta Ehrenberg 



Pritchard Chaetoceros Ralfsi Cleve 



Rhizosole?iia styliformis Brightwell Actinoptychus senarius Ehrenberg 



St. 1362. 9. v. 34. 6i° 45-5' S, 44 15-9' E. 100-0 m. 

 Temp. -i-io° C. Salinity 33-88 °/ 00 . />H 815. 



Fragilariopsis antarctica (Castracane) Hustedt Rhizosolenia alata Brightwell 



Chaetoceros criophilum Castracane Asteromphalus Hookerii Ehrenberg 



Corethron criophilum Castracane Chaetoceros dichaeta Ehrenberg 

 Dactyliosolen antarcticus Castracane 



St. 1369. 17. v. 34. 42 25-8' S, 40 22-6' E. 1 00-0 m. 

 Temp. 872° C. Salinity 33-88 °/ 00 . pU 8-33. 



Fragilariopsis antarctica (Castracane) Hustedt Corethron criophilum Castracane 



Rhizosolenia alata Brightwell Rhizosolenia curvata Zacharias 



Rhizosolenia simplex Karsten 



St. 1373. 21. v. 1934. 31 13-1' S, 31 48-7' E. 100-om. 

 Temp. 24-33° C. Salinity 35-29 °/ OQ . ^H 8-42. 



Thalassiosira subtilis (Ostenfeld) Gran Chaetoceros coarctatum Lauder 



Thalassiosira condensata Cleve Biddulphia mobiliensis (Bailey) Grunow ex Van 



Chaetoceros messanense Castracane Heurck 



Rhizosolenia Stolterfothii H. Peragallo Asterionella japonica (Cleve et Muller) Gran 



Schroderella delicatula (Peragallo) Pavillard Chaetoceros danicum Cleve 



Schroderella Schroderi (Bergon) Pavillard Chaetoceros Glandazi Mangin 



Thalassionema nitzschioides Hustedt Gossleriella tropica Schiitt 



Chaetoceros decipiens Cleve Biddulphia regia (Schultze) Ostenfeld 



Stephanopyxis Palmeriana (Greville) Grunow Rhizosolenia calcar-avis Schultze 



Planktoniella sol (Wallich) Schiitt Coscinodiscus gigas Ehrenberg 



Rhizosoletiia styliformis Brightwell Hemiaulus Hauckii Grunow ex Van Heurck 



Rhizosolenia Shrubsolii Cleve Navicula membranacea Cleve 



Coscinodiscus concinnus Wm. Smith Asterionella notata Grunow 



Rhizosolenia alata Brightwell Eucampia zoodiacus Ehrenberg 



Chaetoceros atlanticum var. neapolitana (Schroder) Climacodium Frauenfeldianum Grunow 



Hustedt Coscinodiscus lineatus Ehrenberg 

 Lauderia borealis Gran 



St. 1376. 2. viii. 34. 35° 51-9' S, 13° oi-6' E. 100-ora. 

 Temp. 16-70° C. Salinity 35-75 °/ 00 . 



Planktoniella sol (Wallich) Schiitt Rhizosolenia alata Brightwell 



St. 1570. 21. iv. 35. 28° 42-0' S, 39° 06-6' E. 100-0 m. 

 Temp. 25-18° C. Salinity 35-39 °/ 00 . pU 8-29. 



Climacodium Frauenfeldianum Grunow Rhizosolenia Shrubsolii Cleve 



Eucampia cornuta (Cleve) Grunow ex Van Rhizosolenia styliformis Brightwell 

 Heurck Chaetoceros aequatoriale Cleve 



