123 



then throwing back the two foremost arms displays 

 between them a membrane of wonderful tenuity, 

 which acts as a sail, while with the remaining arms 

 it rows itself along, the tail in the middle acting as 

 an helm to direct its course ; and thus pursues its 

 voyage like a little ship, till alarmed by any ap- 

 pearance of danger, when it takes in the water, and 

 descends." 



The small Bell Glass, No. 4, contains several ar- 

 ticles which were once the property of the celebrated 

 Sir Charles Linnaeus ; a specimen of whose writing 

 is likewise inclosed. Presented by Dr. Smith, Pre- 

 sident of the Linnsean Society, 



Among the Turbos is the finest specimen of that 

 rare shell the Wentletrap (Turbo Scalaris) ever 

 known ; it was brought from Amboyna by the late 

 Mr. Webber, of Blackheath, who once refused the 

 sum of £500, offered for it by the late Earl of Bute. 



R2 



