. IN DEX. 
Artemifia Pontica, its air examined, exp. 14. 
Artichoke, air yielded by their leaves in the night exa- 
mined, exp. 37. 
Afthmatics, what climate beft fer them, p. 143. 
Atmofpkere, its degree of falubrity is very variable, p. 
107 and feq. At what time of the year the pureft, 
p- 141.—The exact degree of its falubrity can be ex- 
amined, p. 107 and feq. 125.—How to examine it, 
Pp: 97, 108, 276.—Erroneous judgement of fome about 
its degree of falubrity in a given place, p. 126.—The 
caufe of its variability examined, p. 126 
Atriplex vulwaria yields dephlogifticated air by day, exp+ 
4e 
Autumn, the difpofition of the air in ) autumn, p. 142 
Autumnal you 
289, aes aot interrupt the “beneficial influence of 
vegetables by day, ibid. 
B. 
Beans. The leaves of this plant yield by day dephlogifti- 
cated air, exp. 7, and phlogifticated air by night, 
exp. 38.—Their faculty of mending bad air by day 
“time, exp. 41. and of contaminating good air by night, 
exp. 40.—The Beans themfelves yield in the fun am 
air worfe than common air, p. 60.—Their remarkable 
faculty of poifoning common air by night, and in the 
fhade, p. 61. exp, 87—g0. . Their deleterious ae 
is checked by the fun-fhine, exp. 87. 
| ga, its depblogitticated air examined, exp. — 
"Lhe air of the roots examined, exp. 74. 
