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tion of Bread Cora, above the consumption of the 

 inhabitants, when no extraordinary circumstances 

 occur to excite or check cultivation. 



In some of the early periods of this series, there 

 have been great variations in the quantity exported, 

 but not so considerable as within the last 36 years ; 

 we have too from 1791, the returns of Exports from 

 the rival ports of Dantzic and Elbing since that- 

 date, and thus, from both outlets of the Vistula, can 

 trace the advance or decline of the surplus produce 

 of Corn, from the countries bordering on that stream. 



Exports of Wheat and Rye from the Cities of 

 Dattfeic and Elbing : 



This considerable advance beyond former periods, 

 was the commencement of a still greater progress in 

 the five next years : 



Q 



