(113) 
of the decifions in Law concemiog Chymical Gold, true or 
falfe. Fourthly, what tht celebrated rhilofophers stone w^s 
among the hnmm% and wh^t they uoderSood by the 
fame? 
In the Welfth : Firftj Of the semwd Frmcrple of all things, 
its originCj nature and propertj i of the way how Mature 
proceeds in thc^Gencratlon of Miner ds^ Vegetables^ Animds-^ 
of fpontaaeoul Geaeration 5 of Zeophyts 3 infeSs of a!l 
fortSj aod particukriy of the Worms bred in Men % toge^ 
thcr with the caufes why Nttore would produce fuch 
fwamrsof infinite fort§ of Infefts. Secondly, of the va- 
riety and difFerences of I of the requifits to kocw 
the vertnes of Plants^ aad of the feveral ways of Engrafting. 
Thirdly^ of the ArtofDifiilling^ whereby Nafure is imi- 
tated, as doiagall her under- ground Works^ in the Opi- 
nion of this Author^ by DiJhUatim, Fourthlyj of ihf La* 
horuioriesof varhm Jrts^ in which, accordiog to Natures 
patters 5 ufcd in her Subterraneous OperatiooSj ftraoge 
thijDgs may be performed : where treating of Chym}cd_ Se<^ 
crets^ the truth of the Preparation of Aumm potabde is dif- 
cuflfedj and the Magifierks of Golds Silver^ Iron, TiOj Cop- 
per and Leadj examined to which is fubjoyned an Appen^ 
dix^ furmiliiDg fuch Rulesj, whereby Students in chymiftry 
may be direfted in their worfcj and true Operations diftin- 
gaiChed frotn falfe one5. Fifthly^ of MetaUoftaticks^ where* 
by the mixture of Mettals and Minerals maybe certainly 
known, together with a way of weighing the Proportions 
of moifimadry^ exiftent in every Compounds as well Ve» 
getable and Animal, as Mineral Sixthlyj of Glafs'.miwg^ 
where is treated of th§ Nature of Glafs 5 of the Artificial 
Produdionof all forts of Precious Stones^ partly from the 
Authors own Expcrfmenti^partly from theGommuoxation 
of his Friends 3 and the Colkaionxjf the fc^ft Writers upon 
that Ibbjeft' Sevenihly^ of Fire.wor\s^ where the Inven- 
tion and Preparation of Gun^powder is largely difcourfed 
of, and tEe v/ays of making S^jmbs^ Fhes burning in Water^ 
0^2 and 
