54 Acta Societatis pro Fauna et Flora femiica. VIII, n. 2. 



Amphiprora Ehb. 



A. ornata Bail. — V. H. XXII, bis, 5. 



Kon. 81 (only one specimen). 



A. paludosa W. Sm. — V. H. XXII, 10. 



Sinf. Nyl. (Dannf.), Sinb. Ob. 83. 



A. duplex Donk. — V. H. XXII, 15, 17. 



Sinf. Nyl. (Dannf.), Sinb. Ob. 83. 



Pleurosigma W. Sm. 



P. elongatum W. Sm. — V. H. XVIII, 7. 



Mb. Ab. 100, Sinf. Nyl. (Dannf.). 



P. Kiitzingii Grun. — V. H. XXI, 14. 



Ab. 47, Kon. 41, Sb. 4, 5. 



P. Strigilis W. Sm. — V. H. XX, 2. 



Sinb. Ob. 83. 



P. Spenceri W. Sm. — CI. Gr. A. D. p. 59. 



Sinf. Nyl. (Dannf.), Sinb. Ob. 83. 



Specimens from Tornea measure in length 0,n m. m., in 

 breadth 0,oi m. m. and have 22 longitudinal and 18 transverse 

 striae in 0,o l m. m. They agree with the var. Arnottii Grun., 

 which is scarcely different from the varr. Smithii and borealis. 



P. balticum (Ehb.) W. Sm. — V. H. XX, 1. 



Mb. Ab. 100. 



P. attenuatum (Kiitz.) W. Sm. — V. H. XXI, 11. 



Sinfl Nyl. (Dannf.), Lad. 85, 86. 



Pseudoraphideae. 



Epithemia Breb. 



E. turgida (Ehb.) Kiitz. - V. H. XXXI, 1, 2, 8. 

 Al. 57 (v. granulata) 58, Ab. 36, 37, 51, 54, Sinf. Nyl. 100 

 (var. Westermannii), Lad. 85, 86, Kon. 40. 



