* 
€ 
_— santa air by aie: p- as ~ = 
E58 .D- Bom, 
Old Age. If advantageous for old — to fleep with 
young; Pp. 135+ 
Orange-trees. Their danger if kept in a room, p- 67. 
P. 9) he ze 
Parfley, its air-bubbles, p. 20. 
Pepper-mint, its faculty of fpoiling common air in the 
fhade, exp. 45.—Its remarkable faculty of correcting 
bad air, exp. 56. 
Peaches poifon common air, exp. 7 5—77- 
Pears {poil common air, exp. 80. 
hele stone its Se agg faculty of correéting sha 
ing inflammable air, and to make it explikre p- 100 
& feq. exp. 105, 107, 110, 111, 118, 
Perfpiration of air from our tkin, p. 1 29. 
Phlogifticated air. What? p. lv. 
Plate explained, p. 293. 
Plants yield dephlogifticated air by day, p. 14—41- and : 
bad air by night, p. 47.—Their power 
bad air, p. 62.—Their power of i improving common 
air, p. 62.—Thrive better in foul ait, p. 62.—The 
_ seafon of this, p. 64.—Do ot cornet bad air by night, 
= 57- 
B..) YY ee ee “Ae g 
Pea es ok f o If, Ps 222, 
Pontine 
