172 



DISCOVERY REPORTS 



St. 435. 12/13. ix. 30. 35 47' S, 27 49' E. 100-0 

 Temp. 19-11° C. Salinity 35-48 °/ 00 . pH 8-33. 



Chaetoceros messa?iense Castracane 

 Thalassiothrix acuta Karsten 

 Planktoniella sol (Wallich) Schiitt 

 Chaetoceros didymum Ehrenberg 

 Bacteriastrum elongatum Cleve 

 Schroderella delicatula (Peragallo) Pavillard 

 Thalassiosira subtilis (Ostenfeld) Gran 

 Bacteriastrum criophilum Karsten 

 Chaetoceros peruvianum Brightwell 

 Bacteriastrum hyalinum var. princeps (Castracane) 



Ikari 

 Guinardia flaccida (Castracane) Peragallo 

 Chaetoceros decipiens Cleve 



St. 436. 20. ix. 30. 29°55i'S, 3i°26|'E. 100-0 

 Temp. 20-87° C. Salinity 35-41 °/ 00 . ptt 8-33 

 Thalassiothrix acuta Karsten 

 Synedra stricta Karsten 

 Rhizosolenia simplex Karsten 

 Rhizosolenia alata Brightwell 

 Ditylum Brightwellii (West) Grunow ex Van 



Heurck 

 Chaetoceros neglectum Karsten 

 Planktoniella sol (Wallich) Schiitt 

 Thalassiosira subtilis (Ostenfeld) Gran 

 Eucampia balaustium Castracane 

 Chaetoceros capense Karsten 



St. 437. 20. ix. 30. 29° 59' S, 31° 47' E. 100-om. 



Temp. 20-08° C. Salinity 35-45 °/ 00 . pH 8-32. P 2 5 16 



Rhizosolenia alata Brightwell 

 Rhizosolenia calcar-avis Schultze 

 Thalassiothrix acuta Karsten 

 Schroderella delicatula (Peragallo) Pavillard 

 Chaetoceros messanense Castracane 

 Chaetoceros capense Karsten 

 Chaetoceros decipiens Cleve 

 Planktoniella sol (Wallich) Schiitt 



m. 



P 2 5 35- 

 Rhizosolenia simplex Karsten 

 Synedra stricta Karsten 

 Thalassionema nitzschioides Hustedt 

 Chaetoceros capense Karsten 

 Chaetoceros neglectum Karsten 

 Rhizosolenia alata Brightwell 

 Chaetoceros atlanticum, var. neapolitana (Schroder) 



Hustedt 

 Chaetoceros aequatoriale Cleve 

 Rhizosolenia Stolterfothii H. Peragallo 

 Rhizosolenia robusta Norman ex Pritchard 

 Stephanopyxis turris (Greville) Ralfs ex Pritchard 



m. 



. P 2 5 21. 



Thalassiothrix longissima Cleve et Grunow 

 Bacteriastrum elongatum Cleve 

 Chaetoceros messanense Castracane 

 Schroderella Schroderi (Bergon) Pavillard 

 Eucampia cornuta (Cleve) Grunow 

 Coscinodiscus radiatus Ehrenberg 

 Corethron criophilum Castracane 

 Climacodium biconcavum Cleve 

 Triceratium favus Ehrenberg 

 Lauderia punctata Karsten 



Thalassiosira subtilis (Ostenfeld) Gran 

 Chaetoceros didymum Ehrenberg 

 Bacteriastrum elongatum Cleve 

 Stephanopyxis turris (Greville) Ralfs ex Pritchard 

 Chaetoceros peruvianum Brightwell 

 Chaetoceros neglectum Karsten 

 Pleurosigma directum Grunow 

 Bacteriastrum criophilum Karsten 



St. 438. 20/21. ix. 30. 30° 05V S, 32° 05 V E. 100-om. 

 Temp. 20-03° C. Salinity 35-42 °/ 00 . pU 8-32. P 2 5 ^ 



Bacteriastrum elongatum Cleve 

 Rhizosolenia alata Brightwell 

 Rhizosolenia styliformis Brightwell 

 Chaetoceros peruvianum Brightwell 

 Bacteriastrum hyalinum var. princeps (Castracane) 



Ikari 

 Synedra stricta Karsten 



Chaetoceros tnessanense Castracane 

 Planktoniella sol (Wallich) Schiitt 

 Thalassiothrix acuta Karsten 

 Thalassiosira subtilis (Ostenfeld) Gran 

 Chaetoceros buceros Karsten 

 Chaetoceros capense Karsten 

 Chaetoceros decipiens Cleve 



