BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 21. AFD. IV. N:0 3. 13 
north at Hammarudd in the parish of Kräklingbo, a few 
scales of two other species. WVOLBorRTH found them in 1860 !) 
and they were described by RoHon?) under the names of 
Thelolepis parvidens AG. und Thelolepis Volborthi RoHon. 
The same also occur in Russia and in England. 
1) Qu. Journ. Geol. Soc. 1861, p. 552. 
2) Die obersilurisehen Fisehe von Oesel, Mém. Ac. Imp. des Sciences de 
S:t Petersbourg. VII Ser. Tome XLI, N:o 5, p. 76. 
