174 



Waldheimia. King. 



Waldheimia sp. 



A badly-preserved shell of a species of Waldheimia occurs 

 in the brown sandstone from Mount Nathorst. This shell re- 

 sembles rather closely the one figured by Lundgren ^), but is 

 so weathered that it cannot be determined with absolute cer- 

 tainty. 



Mollusca. 

 Lamellibranchiata. 



Pseudomonotis. Betrich. 

 Pseudomonotis sp. {an Jacksoni. Pompeckj). 



The left valve of a large Avicuhd has been obtained from 

 the plateau immediately west of Neill's Cliffs. This shell was 

 found by Deichmann on August 12**'. It is embedded in brown 

 sandstone so that only the weathered inner surface is visible. 

 As both hinge and the greater part of the wing are wanting, 

 the shell cannot be determined with certainty, but the large 

 size and coarse radial sculpture recall Pseudomonotis Jacksoni, 

 Pompeckj ^). 



Pseudomonotis Jacksoni, Pompeckj was found by Nansen at 

 Cape Flora in Franz Josefs Land in a hard grey sandy marl, 

 Pompeckj considers that in all probability the horizon is Lower 

 Bajocian, almost corresponding to the Opalinum- and Murchi- 

 sonæ-zones. 



Pecten. Klein. 



Pecten sp. (an Steivartianus. Lundgren). 



A fragment of a large smooth Pecten occurs in a block of 

 coarse-grained sandstone found in Vardeklöft. It resembles 



>) Lundgren, В. 1895, p. 195, pi. Ill, fig. 4. 

 ^) PoMPECK.T, J. F. I8V»9, p. 60 anc 125—127. 



