Chfetoceros affine Laud . 



— boréale Bright. 



— cochlea Scbiitt. 



— eontortum Scbiitt. 



— convolutum Cast. 



— criophilum Cast. 



— danicum Cl. 



— decipiens Cl. 



— didymum Eh. 



— gracile Cl. 



— Schûttii Cl. 



— scolopendra Cl. 



— simile Gl. 



— socialisLaod. avecendocysts 



— subtile Cl. 

 Corconeis scutellutn Eh. 

 CoscinodiseiiH excentricus Eh. 



— lineatus Eh. 



Eucampia zodiacus Eh. 



GxùnairAiBL Jlaccida H. Per. 



Landeria glacialis Grun. 



» 

 Leptocylindrus danicus Gl. 



91 - 



Melosira sulcata Ktz. 

 mavicula directa W. Stn. 



— Vanhôffenii Grun. 



IVitzschia closterium W. Sm. 



— seriata Gl. 



— — V. fraudulenta 



Pleurosigma longum Cl. 



Rhizosolenia alata Bright. 



— obtusa Hans. 



— setigera Bright. 



— Shrubsolei Cl. 



Rboieosigma arcticum Cl- 

 Skeletonema costalum Gl. 

 Stauroneis Groicei. 



Tbalasiosira baltica Grun. 



— condensata Cl. 



— decipiens Grun. 



— gravida Gl. 



— Nordenskioldii Gl. 



Thal^ssiothrix IWitzschioïdes Grun. 



No 167 



SOUND of MULL (Ecosse) 

 Plankton (Collection Cleve) 



Cbaetoceros carvisetum Cl. (désagrégé). 



— decipiens Cl. 



— didymus Eh. 

 Coscinodiscn* nobilis Grun var. 

 IMolIeria cornuta Grun. 

 Rhizosolenia alata Bright. 



Rbizosolenia setigera Bright. 



— Shrubsolei Gl. 

 Skeletonema costatum Gl. 

 Stepbanopyxis turgida Gr«y. 

 Tbalassionira gravida 01. 



— Nordenskioldi CI. 



N« 168 VASSIVIÈRE (Puy-de-Dôme — France) 

 (Dépôt fossile d'eau douce) 



BIBLIOGRAPHIE, 

 vergne, 1893. 



Frère J. Héribaud. Les Diatomées d'Au 



