196 



DISCOVERY REPORTS 



St. WS 709. 25. vii. 31. 04 17' S, 8i° 16' 45" W. 

 Temp. 22-63° C. Salinity 34-15 °/ 00 . 



Stephanopyxis turn's (Greville) Ralfs ex Pritchard 



Rhizosolenia alata Brightwell 



Rhizosolenia styliformis Brightwell 



Chaetoceros Lorenzianum Grunow 



Nitzschia seriata Cleve 



Bacteriastrum hyalinum var. princeps (Castracane) 



Ikari 

 Lauderia punctata Karsten 

 Skeletonema costatum (Greville) Cleve 

 Chaetoceros peruvianum Brightwell 

 Schroderella Schroderi (Bergon) Pavillard 



15-0 m. 



Eucampia balaustium Castracane 

 Chaetoceros didymum Ehrenberg 

 Rhizosolenia polydactyla Castracane 

 Rhizosolenia Stolterfothii H. Peragallo 

 Streptotheca thamesis Shrubsole 

 Rhizosolenia calcar-avis Schultze 

 Coscinodiscus gigas Ehrenberg 

 Bacteriastrum delicatulum Cleve 

 Thalassionema nitzschioides Hustedt 

 Chaetoceros coarctation Lauder 



St. WS709. 25. vii. 31. 04° 17' S, 8i° 16' 45" W. 30-15 m. 

 Temp. 22-63° C. Salinity 34-15 °/ 00 . 



Thalassiosira subtilis (Ostenfeld) Gran 

 Nitzschia seriata Cleve 

 Rhizosolenia alata Brightwell 

 Coscinodiscus gigas Ehrenberg 

 Asterom phalu s heptactis (Brebisson) Ralfs ex 

 Pritchard 



Rhizosolenia robusta Norman ex Pritchard 

 Thalassionema nitzschioides Hustedt 

 Rhizosolenia styliformis Brightwell 



St. WS 710. 25. vii. 31. 04° 18' S, 8i° 20' 15" W. 

 Temp. 21-54° C. Salinity 34-44 % . 



Rhizosolenia styliformis Brightwell 



Rhizosolenia alata Brightwell 



Bacteriastrum hyalinum var. princeps (Castracane) 



Ikari 

 Lauderia punctata Karsten 

 Thalassiosira subtilis (Ostenfeld) Gran 

 Skeletonema costatum (Greville) Cleve 

 Thalassionema nitzschiodes Hustedt 

 Eucampia balaustium Castracane 

 Chaetoceros Lorenzianum Grunow 

 Coscinodiscus gigas Ehrenberg 

 Ditylum Brightwellii (West) Grunow ex Van 



Heurck 



15-0 m. 



Chaetoceros coarctation Lauder 

 Stephanopyxis turris (Greville) Ralfs ex Pritchard 

 Rhizosolenia calcar-avis Schultze 

 Streptotheca thamesis Shrubsole 

 Chaetoceros didymum Ehrenberg 

 Rhizosolenia alata Brightwell 

 Rhizosolenia polydactyla Castracane 

 Rhizosolenia Stolterfothii H. Peragallo 

 Schroderella Schroderi (Bergon) Pavillard 

 Corethron criophilum Castracane 

 Leptocylindrus danicus Cleve 

 Chaetoceros Ralfsi Cleve 



St. WS710. 25. vii. 31. 04° 18' S, 81° 20' 15" W. 60-15 m. 

 Temp. 21-54° c - Salinity 34-44 °/ 00 . 



Rhizosolenia alata Brightwell 

 Chaetoceros Lorenzianum Grunow 

 Thalassionema nitzschioides Hustedt 

 Nitzschia seriata Cleve 

 Thalassiosira subtilis (Ostenfeld) Gran 



Streptotheca thamesis Shrubsole 

 Coscinodiscus gigas Ehrenberg 

 Rhizosolenia hebetata Bailey 

 Lauderia punctata Karsten 

 Rhizosolenia styliformis Brightwell 



St. WS711. 25. vii. 31. 04° 19' 30" S, 81° 27' W. 

 Temp. 21-19° C. Salinity 34-53 °/ 00 . 



Schroderella Schroderi (Bergon) Pavillard 

 Rhizosolenia alata Brightwell 



1 00-0 m. 



Rhizosolenia styliformis Brightwell 

 Thalassiosira subtilis (Ostenfeld) Gran 



