%W AGRICULTURAL MUSKUM 



ported to the West Indies and to Europe, as well as 

 the interior paits of the country, whence they aj-e deriv- 

 ed, and the seapoits, from which the different ex- 

 poitations (ake place. I will also point out the hest 

 kinds of trees for fud, and th.«se the harlcs oi which 

 aie used fur tanning, and give their comparative 

 prices. 



" In travellino; from the north io the south. I carefulljr 

 observed, the place of growth an! disappearance, of 

 different species of trees in consequence of a milder 

 temperature, or of a marked change of soil. I gathered 

 in the di ierent states of the Union, all the common 

 names, to annex them to the scientific appellations. I 

 observed the forests, either as they presented a primi- 

 tive ajipearance, or as changed by the vicinity of civi- 

 lized or domestic animals, the influence of which diver- 

 sifies so rapidly the face of nature. Such are the prin- 

 cipal objects, which attracted my attention, and of 

 which I intend to give an account. I wilt also faith- 

 fully point out the species of trees, vvhicti I think use- 

 ful to propagate for the amelioration of the European 

 forests ; and those that only deserve to be introduced 

 into parks and gardens, on account of the beauty of 

 their foliage. 



" Such is the outline of the researrbes to which T have 

 devoted myself, and the result of vvliich 1 have the 

 honor to oiler to the public. I thouf,ht that the man- 

 ner in which \ have viewed my subjec, in directing my 

 observations to a point of general utility, and which had 

 not been done before, would secure my woik in Europe 

 and the United States, a more favourable reception than 

 if 1 had treated it in a scientific point of view. 



"The work will be composed of twenty-five numbers. 

 But if, contrary to my expectations, it does not meet 

 •with that encouragement, which I hope the importance 

 of the subject entities it to, and if at anytime I am «ibli- 

 ged tg suspend my publication, I aiiuounce to my tub- 



