PLATE 8 

 FIG. PAGE 



RHABDONEMA 



1-2-3 Khabdonema arcuatum (Lyng.) Kuetz 35 



4-5-6 Rhalxlonema adriaticum Kuetz 36 



7 Khabdonema minutuin Kuetz. . . 36 



TABELLARIA 



8-9-10 Tabellaria flocculosa (Roth) Kuetz 36 



11-12 Tabellaria fenestrata (Lyng.) Kuetz 36 



GRAMMATOPHORA 



13-14 Grammatophora marina var. subtilissima (Bail.) V. H. . 37 



15-16 Grammatophora angulosa var. hamulifera (Kuetz.) Grun. 37 



17-18 Grammatophora marina (Lyng.) Kuetz 37 



19-20 Grammatophora islandica Ehr 37 



21 Grammatophora serpent ina Ralfs. . 37 



STRIATELLA 

 22-23 Striatella unipunctata (Lyng.) Ag 38 



24 Striatella interrupta (Ehr.) Heib 38 



ATTHEYA 



25 Attheya decora West 38 



