INDEX. 



Light. See Sun. 



Lobelia Longifiora, its dangerous exhalations, p, 14^. 



M. 



Magellan, Mr. de, his Eudiometer. See the word Eudi- 

 ometer in the explication of the terms. 



Malva. nature of its air-bubbles, p. 16. — Begins early in 

 the morning to yield air, ibid. 



Mangeneal-tree, its dangerous exhalations, p. 145. 



Marjbes to be drained, p. 2yi. 



Medicine, great defideratum in medicine obtained, p. xlvi. 



Mercury gives the bed nitrous air, p. 170,— May be ren- 

 dered malleable, p. 112. 



Metamorpbojis of air, p. 116. — Of bodies every where 

 obvious, p. 1 1 8. 



Muftard plant, its power of fpoiling good air by night, 

 and correcting it again by day, exp. 59, 60.— -Effect 

 of its roots on common air, exp. 73. 



Mulberries. Remarkable power of contaminating air, p. 

 61. exp. 84. 



N. 



Najlurtium lndicum, its peculiar manner of yielding de- 

 phlogiilicated air, p. 1 8. — Its remarkable property of 

 yielding good dephlogifticated air, p. 42. — The qua- 

 lity and quantity of its air examined, exp. 30, 31, 32, 



34- 

 Nettle, h$ remarkable quality of correcting bad air, exp. 



57- 



Y 2 Night, 



