COMMERCE. 135 



should tend to simplify the plan of the custom-houses, and 

 render them of easier access ; the exposition of the prejudicial 

 influence which the intermediate traffic of Buenos- Ay res has 

 on the commerce of Peru ; the proje6b proposed in the year 

 1739, and latterly renewed, of rendering quicksilver a branch 

 of free trade, &c. &c. ; which compose the fourth and last 

 part, are great conceptions, which realize, in the present pro- 

 duction, the elevated views the author entertained when he 

 engaged in this very useful labour. 



PART 



