— 35 - 



^avicula lyra Ehr. 



— — V. dilatata A. S. 



— maxima Greg. 



— nicobarica Grun. 



— notabilis v. expleta Pant. 



— separabilis A.S. 



— sublyrata Grun. 



— velata A.S. 



— Weissflogii A.S. 



— zostereti Grun. 



:>Iitzschia acuta Hantz. 



— angularis Greg. 



— constricta Greg. 



— longissima var. Ralfs. 



— panduriformis Greg. 



Tar. minor Grun. 



— scalaris W . Sm. 



— socialis Greg. 



Ortlioneisfimbriata Grun. 



Pleurosigma O'Mearii Grun. 



— rigidum W. Sm. 



Podosira ambigua Grun. 



— hormoïdes Ktz. 



Podosira maxima Grun. 



— V. intermedia H. P. 



— Montagnei Ktz. 



Porodiscos calyciflos Temp. et Br. 

 Rhabdonenia mirificum W. Sm. 

 Rhoicospbenia Reichardtii Grun. 



Surirella anfractuosa A.S. 



— eximia var. Grun. 



— fastuosa Ehr. 



— — V. opulenta Grun. 

 Synedra formosa Hauts. 



— undulata Greg. 



Triceratiuni arcticum Bright. 



— bullosum Witt(T. dubium) 



— elongatum Grun. 



— favus Ehr. 



— gibbosum v. crenulata 



Grun. 



— gibbosum V. excisa Grun. 



— papillatum Kiiton. 



— pentacrinus Wall. 



— zonulatum f» triangularis 



Grev. 



N»64 



BAFFIN'S BAY 

 Plankton (Collection Cleve) 



Actinocyclus alienus v. arcticaCl. 

 Ampbora Pusio Cl. 



Chsetoceros atlanticus Cl. 



— — var. nova (spinosa). 

 Caractérisée par ses soies toutes courtes 



et très épineuses M. Per. 



Cbœtoceros boréale Brigbt. 



— contortum Schutt. 



— convolutum Cast. 



— decipiensGl. 



— distans Cl. 



— furcellatum Bail. 



— Groenlandicus Cl. 



— — V. leptopus CI. 



— ^) — avec endocysts . 



Cbsetocei'os raitra Cl avec endocysts. 



— rostratum Laudervar. 



— socialis Brigbt (dissocié). 



Coscinodiscus asterompbalus Eh. 



— oculus iridis Eh. 



Diploneis littoralis v. arctica Cl. 

 Eacampia Groenlandica Cl. 



Fragilaria cyiindrus Grun. 



— oceanica Cl. 



IVavicula gelida v. perpusilla Grun. 



— septentrionalis Ost. 



i\itz8cbia rigida Grun. 



— polar is Grun. 



— seriata v. fraudulenta Cl. 



