9&s& ( 74 ) s&d&c 
V. 
Experiments upon vegetables, discoverlng 
their great Power of purifying the com- 
moii air in the fun-fhine, and of injuring it 
in the Shade and at Night. to which is joi- 
ned a new Method of examining the accu¬ 
rate Degree of Salubrity of the Atmosphe- 
re, by iohn. ingenhovsz Counfellor of the 
Court and Body Phyfician to their Imperial 
and Royal Majefties, F. R. S. etc. London. 
printed for P. Elmsly and H. Payne. 1779. 8. 
1 Alph. c. ind. dedic. et prooem. pag.LXVIII.. 
tab. aen. I. 
i. e. 
Experimenta, quibus vegetabilium infignis fa¬ 
cultas aerem communem interdiu foleque 
fpiendente purgandi, eundemque noflu et 
in vmbra corrumpendi declaratur. Accedit 
noua aeris atmofphaerici puritatem dime¬ 
tiendi et aeftimandi ratio ; Audtore Cl. ioh. 
INGENHOVSZ etc. *). 
S i qua funfe inuenta, vfc multa funt, quibus noftra 
aetas prae feculis praeteritis gloriari poflit, ea 
omnino, quae inde ab aliquibus annis circa aeris na¬ 
turam variasque formas Cl. virorum indefeflb Au¬ 
dio innotuerunt, plurimi facienda funt. His enim 
non modo contigit, vt noua quali rerum naturae 
facies apparuerit, multaque haftenus caligine prefla 
in lucem protra&a fuerint, verum etiam artibus 
quam plurimis ad vitam communem neceffariis vel 
noua incrementa accelferunt, vel certe fpes propo- 
lita 
*) Gallicam verfionem ipfe Au£lor edidit, Parif. 1780. 
Germanica nuper prodiit, Lipf. 1780. 8- ap. Wey- 
gandum. 
