XXVlli ADVERTISEMENT. 



so called), and of Mollusca, are still im- 

 perfect. Much has been done by Mr. 

 Montagu on these subjects ; and the vast 

 collection he has formed of marine pro- 

 ductions, enables him to do much more. 

 It is to be hoped he will not withhold 

 what he is so able to communicate, and 

 that he or other naturalists will prosecute 

 Mr. Pennant's labors, and complete what 

 is still deficient of the British Zoo* 

 logy. 



THE EDITOR, 



May 1,1812= 



