Queries concerning Amber* 145 
frigs of Naptha out of the Earth in Places 
where Infects might be likely to fall into 
it ? Suppofmg which, might it not perhaps 
have been hardened or congealed by the 
acid Vapour foon after their being fo in- 
tangled ? though that is not abfolutely ne- 
ceffary, fince Naptha will preferve Animal 
Bodies a great Length of Time. Is it not 
found on Trial, that the Wings, Horns, 
Legs, &c, of very fmall Creatures fpread and 
extend themfelves much better in Naptha, 
or fine Oil, than in Water or any watery 
Fluid ? and may not this account, in fome 
Meafure, for the Perfection in which fome 
very fmall Infects appear, when embodied 
in this Subdance ? 
Quere 5. As the Earth affords bitumi¬ 
nous Fluids different in Colour, Confidence, 
and Purity, may not white Naptha (fo call¬ 
ed, tho’ of a pale yellow) which is the mod 
pure of all, be fuppofed capable of being 
concreted into the bed and cleared Amber ? 
may not a coarfer and browner Naptha 
compofe Amber more indifferent ? and may 
not a black. Kind be converted by the fame 
Chemidry of Nature into Jet and Afphal- 
tum ? 
Quere 6. Is it wholly improbable that 
fome bituminous Juice, or foffd Pitch, mix¬ 
ed and concreted with Earth, or perhaps 
fome other Matter, may be the Compo- 
iition of Coal ? and diould it be inquired 
t Vol» IK L where 
