CONTENTS. 



Page. 



XXXI. On lime and marls, by John Lang <f - - 204 



XXXII. On the Long Island hay 'horse-rake^ by H. Haines, 212 



XXXIII. Salutary effects of fire on soils, by Richard Peters, 214 



XXXIV. On well rotted dung, fresh and hot jnuck, stercora- 

 ries, and their uses, by the same, - - - 221 



XXXV. On hedges, by Timothy Pickering, - - 242 



XXXVI. Account of a corn-shelling machine, by Charles TV. 

 Peale, - - - - - - - 248 



XXXVII. Rotations and changes of crops defended, by Rich- 

 ard Peters, - - - - - - 252 



XXXVIII. On Jiorin, mangel ivurtzel, onions and cabbages, 



by the same, - - - - - - 26.0 



XXXI:^ 071 American gyfisum, and internal improvement, 



by the same, - - - - --266 



XL. On Jerusalem, or Syrian wheat. Big rye ; properly call- 

 ed Tangier wheat. Season of \H\o, by the same, - - 276 

 XLI. Onfiorin, by John Clifford, - - - 286 

 XLII. Account of a stercorary on a large scale, by Richard 



Peters, - . - - . - 288 



XLIII. Plaster, in moderate quantities, assists in the putre- 

 faction of animal and vegetable substances, by the same, - 296 

 XLIV. Swivel headed churn staff, by the same, - - 301 



XLV. Observations on Indian corn and potatoes, by John Lo- 

 rain, of Philipsburg, Centre county, Pennsylvania, - 303 

 XLVI. On grass lays, manures, i^c. by the saine, - - 326 

 XLVII. Usefulness to husbandmen, of attending to natural 

 phenomena, by Richard Peters, - - - - 337 



XLVIII. Estimate of the probable profit in keeping one thou- 

 sand sheep, by Dr. Robert H. Rose, of Luzerne co. Pemi. 355 

 XLIX. Connnon sheep ; coarse, long, and combing loool, by 



Richard Peters, - - - - - 362 



L. Account of a shepherd's dog^ by P. Pauduy, of Delaware, 



with a print, . - - - * - - 372 



LI. On succession of titnber, by Richard Peters, - - 374 



LII. On timber at Valley Forge, by Isaac Wayiie, - - 376 



LIII. Observations upon Mr. JSfeill's hedges, and on the mode 



of trimming thorn hedges, by Jamss Mease, M. D, - 37 S 



