INDEX. 



Laurocerafus, Its air by day, exp, 62. — Its air of the day 

 and the night together, exp. 55. — Begins late in the 

 day to yield dephlogifticated air, p. 20. — Its parti- 

 cular nature, p. 20. — Is one of the melt terrible poi- 

 fons, exp. 62. — Contaminates common air by night 

 lefs than fome other trees, exp. 1 19. 



Laurus Camphorata, its air examined, exp. 12. 



Leaves. Sentiment of Mr. Bonnet upon the ufe of them, 

 p. 3. — Microfcopical obfervations, ibid. — Their ufe 

 to the tree, p. 2. — To the fruit, ibid. — Abforb 

 snoifture from the air, ibid. — Their general properties, 

 p. c; & feq. — Their particular properties, p. 17 — 38. — 

 Expofe their varnifhed furface to the fun, p. 8.— 

 Yield dephlogifticated air by day, p. 41. — Yield poi- 

 fonous air in the night and in the fhade, exp. 30, 44, 

 47. — This efFeft checked by cold weather, p. 288. — 

 Their natural air is common air, p. 25. — They yield 

 poifonous air by the warmth of a fire, p. 27. — Full- 

 grown give better air than young ones, p. 95. exp. 

 ' 122, 123. — Reafon of this phaenomenon, p. 97. — Dead 

 leaves yield no dephlogifticated air, p. 37. — Kept in a 

 room, whether hurtful? p. 50. — They die foon when 

 the air-bubbles are fhook off, p. 71. and why, p. 74^ 

 —Their prolific nature in yielding air-bubbles, p. 72. 

 ■ — The mod part of dephlogifticated air oozes out of 

 their under-furface, p. 209. — In fome out of their 

 upper-furface, ibid. 



Lime-tree, its air by night, exp. 37. — Its faculty of fpoil- 

 ing common air by night, and corre&ing it again by 

 the day, exp. 50. 



Lemons contaminate air, exp. 78 — 83. 



c Lisht 



