M well as of deteriorated Anmals. 39 



edly destroyed or stinted by vermin, by too long cultiva- 

 tion of the same species on the same field, or other caus- 

 es; or animals are deteriorated, by disease, or impercep- 

 tible causes, let an entire new course^ and species of crops ^ 

 be adopted ; and a different breed of the same kind, or 

 of another description of animals^ be substituted. In a 

 lapse of time, the same career may be ran over again. 

 This is but extending, through the whole scene, the 

 lessons of experience, taught by nature. A continual 

 sameness of crop, in the same field, soon produces de- 

 generacy and poverty. Successions and changes^ are the 

 steps to prosperity. Instead of uselessly repining un- 

 der the visitations, with which we are occasionally, and, 

 for our listlessness, deservedly punished ; when the most 

 apparently contemptible i?isects, desolate our fields, and 

 blasts and diseases disappoint our hopes by frequent re- 

 currences, w^e should profit, by mementos^ thus strongly 

 marked for our instruction. Growing wiser by misfor- 

 tune, we should be convinced — ^that nature calls loudly, 

 for her expected and salutary change^ of the objects of our 

 industry and care.^ 



Belmc\t, August SOth, 1806. 



* It seems almost unnecessary to mention, that, in this 

 change^ the quality of the soil must be consulted, and the course, 

 adapted accordingly. Nature delights in change ; yet she 

 will not be violently forced. In a new clearing, neglected, or 

 not judiciously managed, it is curious to observe the infinite 

 variety of plants, spontaneously thrown up. Herbaceou.^ 

 plants, arc products of the first eflbrts, to clothe the surface ; 

 after the timber has been removed. These are generally, 



