— 147 — 



Denticula tennis var. inflata W. Srn. 



Denti&tia bhermalis -i^tz. 



Diatoma cul gare liory. 



Diploneis elliptica Cleve. 



Diploneis o colis Cleve. 



Encyonema turgiduin Grun. 



Encyonema ventricosum Grun. 



Epithemia argus Ktz. 



Epithcmia oistula Ralfs. var. crassa Pant. 



Epithemia turgida Ktz. 



EpitJicmia Westermannii Ktz. 



Epithemia zébra Ktz. 



Epithemia zébra var. undulata M. Per. 



Eunotia gracilis Eab. 



Eunotia lunaria Grun. 



Eunotia lunaris var. undulata Grun. 



Fragilaria capucma Desm. 



Fragilaria construens Grun. 



Fragilaria mut ab dis Grun. 



Fragilaria mutabilis var. intercédais Grun. 



Gomphonema constrictuin Eh. 



Gomphonema exîguum Ktz. 



Gomphonema gracile Eh. 



Gomphonema intricatum Ktz. 



Gomphonema intricatum var. pumila Grun. 



Gomphone ma montanum Schum. 



Gomphonema parvulum Ktz. 



Gomphonema parvulum var. lanceolata Grun. 



Gomphonema parvulum. var. subcapitata Grun. 



Gomphonema subclavatum Grun. 



Go-mphonema vibrio Eh. var. hebridense Greg. 



Hantzschia amphioxys Grun. 



Hantzschia amphioxys var. vivax Grun. 



Hantzschia virgata Grun. — Nouveau pour la région. 



Melosira Dickiei Ktz. 



Melosira Juergensii Ag. — Nouveau pour la région. 



Meridion circulare Ag. 



Navicula ambigua Eh. 



Navicula ambigua var. capttata Ost. var. nov. (PI. VII, 



fig. 4; p. 121). 

 Navicula appendiculafa Ktz. 



