and Obfervarious. 291 
Plumous Alum, Talcs of different Kinds, 
Afbeflos, Mareafites, and all Sorts of Mine¬ 
rals and Foffils, afford a Variety of agreeable 
and curious Objects. 
iEthiops Mineral, Calomel, Mercurius 
dulcis, and ail other Mercurial Powders, are 
found, when examined by the Microfcope, 
to be full of minute Globules of crude and 
unaltered Mercury. 
Common Salt diffolved in Water exhibits 
infinite Numbers of quadrangular Bodies. 
Toads, Frogs, and Newts, are killed by- 
rubbing Salt upon their Backs * *5 Snakes, 
Vipers, Rattle - Snakes, &c. by drawing 
through their Skin, with a Needle, a Thread 
dipped in Oil of Tobacco : and Mercury is 
a mortal Poifon to Ants. 
It would be an endlefs Talk to point out 
half the Objedts fit to be exam ned by this 
ufeful and entertaining Inflrument, which 
fupplies us, as it were, with Eyes infinitely 
more penetrating than our own ; and disco¬ 
vers Wonders to us which we fhould be un¬ 
able to conceive without it The foregoing 
are a few only among thofe that are mold 
curious ; but every Creature, every Plant, 
' , and Fruit, and Flower, every Drop of Wa- 
t"" " nu.w — urn -- - - -- - ■ 
I y* • « 
* Hook’s Microg . p. 144. 
ter. 
1 
