INDEX. 



Peters, Richard, on plaster, in moderate quantities, assists 

 in the putrefaction of animal and vege- 

 table substances, - - - 296 

 a swivel-headed churn-staff, - - 301 

 usefulness, to husbandmen, of attending 

 to natural phaenomena, - - 337 

 common sheep, coarse, long, and comb- 

 ing wool, - - - - 362 

 succession of timber, - 374,412 

 a fire stone, - - - - 389 

 Ducket's skim coulter, - - 413 

 potatoes, appendix, ... 54 

 Phaenomena, natural, utility of observing, - - 337 

 Pickering, Col. Timothy, on hedges, - - - 242 

 his account of Virginia crab apple, 392 

 Pine, white, its qualities, - - - - 108 

 knots, substituted for candles ; found where no pine 

 timber growing, or other remnants of former growths 

 appeared, . - - . - 104, 105 

 Plaster, rolling seed wheat in, highly beneficial, - 23 

 its component parts, - - - - 239 

 what substances cooperate with it, - 240, 241 

 found in abundance on the lakes Cayuga and Seneca, 268 

 English writers deemed mistaken, as to modes of 

 operation, ----- 2O8 

 its efficacy on limed lands, - - - 269 

 lake, equal to that from Nova Scotia, - - ib. 

 quantity sent into Pennsylvania from the lakes, in 

 1812 ; and route by which it arrives, - 139, 140 

 effects according as quantity is moderate or pro- 

 fuse, ----- 296 to 300 

 Dotterer*s machine for breaking, - - 398 

 and salt, collected in one season at Owego vil- 

 lage, appendix, - • - - 119 

 Plough, ploughing, use and abuse of it, - - 94 

 deep, its advantages, - - 198 

 See vol. 1. Trench ploughing. 



