10 OLAF HOLTEDAHL. [SEC. ARCT. EXF. FRAM 



Brachiopoda. 



Rafinesquia deltoidea Conrad. 



One or two fragmentary specimens. 



Plectamhonites sericea Sow. 



Orthis tricenaria Conrad. 



Triplesia sp. 



One small fragment. 



Rhynchonotrema incequivalvis Casteln. 



One wliole specimen and several fragments. 



Gastropoda,. 



Trochonema cf. umbilicatum Hall. 



One piece only, too fragmentary in character for any exact deter- 

 mination to be made. 



Cephalopoda- 



Gonioceras occidentale Hall. 



Several fragments which show beautifully the typical form of the 

 sepia. The greatest diameter observed in one complete section was 

 11-12 cm. 



TriJobita. 



7 hideops ovata Conrad. 

 Several typical headshields. 

 Xileus (Bumastus?) sp. 

 One fragmentary pygidium. 



Ostracoda. 



Leperditia fabalites Conr. 



Several light and left shells, well preserved. 



