[ 746 ] 
Boerhaave Id), who held Fire to be an Original, a 
diftinct Principle, formed by the Creator himfelf, 
than to thofe of our iiiuftrious Countrymen, Ba- 
con ( e ), Boyle (/), and Newton (g), who con- 
ceived it to be mechanically producible from other 
Bodies ? 
9. Muft we not be very cautious, how we con- 
nect the elementary Fire, which we fee iffue from 
a Man, with the vital Flame and Calidum tnnatum 
of the Ancients; when we find, that as much of 
this Fire is producible from a dead Animal as a liv- 
ing one, if both are equally replete with Fluids ? 
10. Whether or no it is not* highly probable, 
that, by increafing the Number and Size of the 
Phials of Water in a certain manner, you might not 
inftantly 
ribus fefe jungit ignem ad certam diftantiam a corporibus 
attrahi — nulla novimus, quae ignem non continent — * non ignis 
asque facile corpora omnia intrat corporibus contentus in his a 
corporibus circumambientibus retinetur* Motu celerrimo ignem 
affici poffe. 
(d) Boerhaavii Elementa Cbem. de igne , p. 187. et feq. Ipfe 
ignis — Temper praefens exiftit in omni loco — — imo vero in omni 
corpore, etiam rariflimo, vel folidiilimo, aequaliter diftributus hae- 
ret. — Haud ergo potui detegere, quod in rerum natura Tit vel 
ullum fpatiym Tine igne. 
Ibid. p. 283. Hue ufque conabar — tradere ea, quae veriilima ad- 
difeere potui de natura illius ignis, quern elementalem appellant 
philofophi. Ilium fcilicet, ita confiderando, prout creatus ipfe in 
rerum (natura) exiftet feorfum, extra reliqua omnia creata, quae- 
cunque demum Tint, corpora. 
(e) Vide tradlatum De forma calidu 
(f) Mechanical Origin of Heat and Cold , Se£t. 2. 
U) See Queries at the End of bis Optics . 
