INDEX. 



O 



Orchards, injured by grain, - _ - _ 219 



apple trees injured by wonris, - - 247 



practical instances as to planting ; and 

 remarks thereon, _ _ - Sll&scq. 



top dressing of compost or other proper 

 manure, better than dung &c. put in the 

 holes, for young trees, _ - _ - 212 



injurious effects on trees deep planted, 215-lG 

 deep planting condemned, - - 212 



Oxen, superiority of, over horses for farm work, - 193 

 Oyster shells, pulverised, about the roots of peach, 

 plum, and apple trees, proposed as ef- 

 fectual in keeping off the peach Zygx- 

 na^ and the apple Cerambix^ - - 523 

 Query. Would not brine, or gj-psum be scr\-iceable, 

 or as effectual ? 



P 

 Palmetto, and other spongy woods, utility of to resist 



balls, - -. - - - - 201 



Pea bug, on, - - - - - - -317 



Peach trees, on, - . - - 11,15,120,273 



various diseases and remedies ineffectual, 1 7, 21 

 have a favorite climate, account of 

 them in the southern country, and 

 question whether they are not here 

 forced ; and not indigenous, - 183 & seq. 

 Peale, Rembrandt, his letter on changes of timber and 



account of extinct animals, - - . 30O 



Pearson, John, on dimensions of American trees, 176 



Peters, Richard, on hoven cattle, - - - 5 



on peach trees, - - 11, 183 



on the tendency in nature to change 

 its products, - - - 27, 29G 



on yellow water in hgrses, - - 1J9 



