143 



the Upper Silurian rocks ; we have given a drawing of the species of Conularia 

 which seems to have had the longest range, and for the loan of the original we 

 have to thank the curators of the Malvern Museum. If these shells were really 

 the appendages of Paloeozoic Pteropoda, they must have been gigantic compared 

 with the living species. 



The President then called upon Mr. Key for his p.iper, entitled— 



