Published by the same Authors. 



By Mr. KIRBY, 



MONOGRAPHIC APUM ANGLIC : 



Or, An Attempt to divide into their natural Genera and Fami- 

 lies such Species of the Linnean Genus APIS as have been 

 discovered in England. In two volumes 8vo, with plates. 

 Price II. Is. 



By Mr. SPENCE, 



In one closely printed Volume, 8vo, price 7s. Boards, 



TRACTS on POLITICAL ECONOMY, viz. 



1 . Britain independent of Commerce. Seventh Edition. 



2. Agriculture the Source of the Wealth of Britain. Third 



Edition. 



3. The Objections against the Corn Bill refuted. Fifth 



Edition. 



4. Speech on the East India Trade. With Prefatory Re- 



marks on the Cause and Cure of our Present Dis- 

 tresses, as originating from Neglect of Principles laid 

 down in these Works. 



