( 1745 ) 
the faid Salts, I found none that agreed with Fig, r. 
ABC, Fig. 2. EF, or Fig. 5. LM. 
' Among thefe Salt Particles there lay fome fo very , 
final], that I could not diTcover their exaft form, tho I 
ufed never io large M.icrofccf)es, yet I was well enough 
fatisfy'd that they were Salt particles extrafted from the 
Tobacco' |\-flies. 
I obfcrv'd a!fo, that upon fome illbes that were not 
jnixt with the Water there lay a white fubftancej which 
I imagin'd to have funk and defcended leiforely, becaufe ' 
it lay higher in the middle than next the fides of the 
Glafs 3 and I took this White Matter to be coagulated 
Salts, which being heavier than the Water, had fubfided 
upon the reft ^ and fo I found it to be ^ for when I took 
it out of the Water, and view'd it with the Microfcope, 
I had the pleafure of feeing a vaft number of Salt particles^ 
each of 'em of a particular figure^ and as clear as Criftal $ 
tho they appeared lefs to my fight than thofe which I 
caus'd to be delineated. 
For my farther fatisfaftion, I prepared exceeding thia 
and flat little Glafies, which I placed fo clean before the 
Microfcope, that I fuffer d them not to be touch'd with 
any hand, to the end, that there ftic-uld not appear the 
leaft fpot or mi ft upon them. 
Moreover, { took a new blown Glafs Tube, and put 
into it a little of the laft menfion'd Water, and viewing, 
it with my Microfcope , I faw two Particles therein , 
which I judged to be Salts, whereupon, I pour'd out of 
the T'obe a drop of Water no bigger than a large grain 
of Sand, which fpread it felf fo much upon a Glafs Plate, 
that there did not remain above a fourth part|j^ it that 
was capable of being feen, in which I difcover^ to my 
great ftcistaftion, feveral long Particles., which I can liken 
to nothing better than the Hair of one's Beard of two or 
three days growth after (having 5 and thefe Particles [ 
diicover'd, according io my computation, in the fpace oi 
a-. 
