INDEX. 



Fences, live and dead, comparative expense, - - 40r 

 Ferae Naturae, (wild animals,) law definition of, erroneous, 

 all have the animus revertendi, (the dis- 

 position to return,) ... 352 

 Fiorin Grass, account of, - - - 63,260,286,287 

 Fire, salutary effects of, on soils, - - - 214 

 Fire-Stone, for furnaces, brick kilns, &c. - 389, 390, 39 1 

 Fish, migration and return of, to places where bred, - 350 

 Destroyed by damming rivers, - - 351,352 

 Flax-Mill, with a plate, and description, - - 135 

 Forman, T. M. Esq. his estimate of live and dead fences, 407 

 Free-Martin, what ? seldom prolific, - - - 61 



G 

 Genessee Country, route by which its produce may be 



brought into Pennsylvania, - 270 



Girdling-Method of clearing new lands, - - 219 



Gout, instance of cure, by temperance and exercise, - 147 



Grafting, chesnuts, en flute, - - - - 436 



Grapes, what foreign kinds best agree with our climate ? 2 

 Grasses, more durable than red clover, should be sown 



along with it, - - - - - 55 



Their meliorating and estimable qualities, - 91 



(Note) 258 

 Old lays should be ploughed, see course of crops 



substituted, - - - - - 94 



Soddy grass grounds, ploughed and rotted, 

 greatly promote future vegetation, - - 90 

 Prejudice for old grass lays, condemned, - 88, 89 

 Clover degenerates, if too often repeated, - 40 

 Fiorin, account of, • - - - 63 

 Guinea grass, account of, - - - 173 

 Advantages of studying the nature of grasses, 

 so as to adapt them to the soil, and ends re- 

 quired, - - - - - - S7 



Gypsum, found in the state of New- York ; and its quali- 

 ties and description, - - - 139, 26<^ 



