149 
Cocconema arcus, 
Gomphonema acuminatum (et varr. mustela, americanum), 
coronatum, dichotomum, constrictum (Iruncatum), Augur, 
Navicula major, nobilis, gibba, cardinalis (Stauroptera), 
dicephala, monile, follis (inflata Kätz.),; achnanthes (Stauroptera), 
Stauroneis gracilis, 
2. — E Kymmenegård. 
Epithemia faba, 
Eunotia ventralis, diodon, triodon, tetraodon, serra Bréb., 
Himantidium arcus, 
Melosira distans, italica, 
Surirella oblonga, robusta, 
Synedra ulna, spectabilis, 
Cocconeis fennica, 
= Cymbella Ehrenbergii (Pinnularia inzequalis Ehrnob.), graci- 
— dis, leptoceros, affinis, 
i Cocconema lanceolatum, 
; Gomphonema acuminatum, dichotomum, subramosum SM 
— vatum), subftile, 
d Navicula major, nobilis, oblonga (macilenta), gibba, di- 
i cephala, ' semen, formica, mesolepta, cequalis, amphisphenia?; 
— serians (lineolata), follis, isostauron, platycephala, 
i Stauroneis gracilis, 
Amphora libyca. 
| Ita jam ab Ehrenberg 43 species fennica examinate fue- 
ji runt. Videamus nunc quenam addende inveniuntur in specimi- 
3 vibus terrarum Diatomacearum examini celeberrimi Brébisson sub- 
3 Missis, et quarum speciatim hic enumeratiunculas afferre liceat. 
Specimen I. — E Soankylä, in fundo lacus Katajajärvi. 
(A D:re C. R. Ehrström et a G. Moberg missum.) 
Epithemia turgida, Hyndmanni, zebra, gibba, 
