Specimen X. — E Pojo”). 
Epithemia zebra, turgida, 
Punotia incisa Greg., serra Ehrnb., Bréb. (et varr.) 
Himantidium” gracile, 
Melosira nivalis, 
Tetracyclus lacustris, 
Surirella robusta, splendida, biseriata, 
Cymbella gracilis, 
Cocconema cymbiforme, 
Navicula serians, microstoma, viridis, major, nobilis. 
Illis a cel. Brébisson observatis plures sine dubio addende 
sunt species; sic adhuc in hocce specimine (sat impuro) notavi 
Gomphonema acuminatum, Naviculam cardinalem et Melosiram 
orichalceam. In diversis partibus depositi jam ali jam ali spe- 
cies predominantes conspiciuntur; sed frequentissime occurrunt: 
Navicula major, nobilis, viridis, Melosira nivalis et fragmenta Su- 
rirellarum. 
Enumeratio specierum Diatomacearum fossilinm 
Fennigz. 
fr. = frequens. — s. fr. = sat frequens. — p. = passim,. — ”- a fed 
Epithemia zebra (Ehrnb.) Ktz.,|E. gibba (Ehrnb.) Ktz., 7: 
$. fr. Himantidium = pectinale (Dillw.) 
E. turgida (Ehrnb.) Ktz., p. AEA 
E. faba (Ehrnob.) Ktz. Kymme-| H. arcus (Ehrnb.), p- 
negård. H. gracile Ehrnb., /f- 
E. Hyndmannii Sm., rarius. H. monodon Ehrnb., 7: 
E. gibberula (Ehrnb.) Ktz., ra- | H. majus W. Sm. Tavastia (Il) 
rius. H. undulatum W. Sm., Pp- 
”) In strato obveniens sub terra paludosa sito. Specimen Museo 
Fennico dedit nobilissimus E. Hisinger. 
