INDEX. 319 



Fig trees ; burying them, a guard against frosts, - 103 

 Fidler, a shell-fish, account of it, 268 

 Fire on soils ; burning wild vegetation of salt marsh, be- 

 neficial, - 255 



but too deep burning injurious, - - 282 



^CT* The ashes of such overburnt surface are 

 wasted and useless ; having no mould, mix- 

 ed with inert vegetable matter, to work on. 

 But see the important uses and value of 

 peat, or Dutch ashes, when properly ap- 

 plied ; in Sir J. Sinclair's Tour through 

 Flanders, 1815. R. P. 



Fisher, Miers ; on the paper mulberry, &c. 86 



Foreman, T. M. on big rye, and the oil bean, - - 1, 2 



G 



Gardner, John ; on the Hessian fly, corn grubs, &c. 195, G 

 Garrigues, Abraham M. trial of Towsley's plough, culture 



of Indian corn, turnips, &c. - 168 



Gibbons, Joseph ; Hessian fly, corn grubs, &c. - 200, 1 



Grain motl) ; some account of it, - - £36 



Grain ; frequent successions of the same kind, injurious, 274 



Grains and grass seeds; weights of, - - - 314 

 Grape vines; hop vine planted near them, repels insects. 

 Query, if it be not the effluvia from the 



hop ? See Vol. III. 366. - 84, 5 

 culture of grape vines in Pennsylvania not 



encouraging, / 102, 3 



burying vines protects from frosts, - lb. 



Grub, black; curious mode of banishing or destroying it, 189 



corn ; preservatives of corn from its ravages, - 195 



Note respecting it, 196, T 

 burning wild grass destroys it; and note 



thereon, 198, 9—200 



listing, a preservative, - 199 



mode of making holes as traps, by pins or 



cogs, on the rim of a wheel, - - 202- S 



