( 55 ) 
mmeM of Nature, which feern not explicable by any other not 
confiftent with thefe. For Jaith he^ii recourfe be had to an Im- 
material Principle, ic may befuchanooepas is not intelligible; 
and however it will not enable us to explain the vhmomem^ 
becaufe its mmner and vpny of working upon things Material 
would probably be niore^difficU't to be fhy fit ally made out, 
than a Mechanical account of fuch EfFefis. And as to an Imma"' 
terial credited Agent, we cannot conceive, how it Ihould pro- 
duce changes in a body w^ithout the help of Mechanical prin- 
ciples, efpecially Local motion 5 and accordingly we find not^ 
that the Reafonable Soul in Man is able to produce whatchan- 
ges it pleafeth in the Body, but is confined to fuch as ic may 
produce by determining or guiding the Motions of the Spi- 
rits, and other parts of the Body, fubfervient to voluntary 
Motion. 
5. And if the Aftive principles reforted to, be not Imma- 
terial, but Corporeal, they muft either in effedt be the fame with 
thofe lately mentioned ; or,becaufeof the great llnlverfality 
and Simplicity of the fame,the New ones propos'd muft be lefs 
general than they^ and confequently capable of being fubordi- 
nated or reduced to thofe afferted by our Author , which by 
various Compofitions may afford matter to feveral Hypethefes^ 
and by feveral Conditions afford minuteConcretions exceed- 
ingly numerous and diirable, and confequently fit to become 
the Elementary Ingredients of more compounded Bodies, be- 
ing in moft Trials Similar, and as it were the Radical parts, 
which may after feveral manners be diverfified, as in a Lan- 
guage the Themes are by Frepfitio^sJ^ermimtions^&cc. So that 
the fear,that fo much of a New Phyiical Hypothefis,as is true^ 
will overthrow or make ufelefs tht Mechanical Principles, is, 
as if one flhould fear,there will be a Language proposed, that is 
difcordant from, or not reducible to, the Letters of the Al- 
phabet. 
" IL TN my ]afV,(i\r«w/'.ro2.)T promifed afulleraccomptof 
1 mr.John Smiths ENG LANDS IMFROVEMENt 
revived^im Treatife of Husbandry and Trade,by Land and 
''Sea;plainlv difcovering the feveral ways of improving thefe- 
veral forts of wafte and barren grounds,and of enriching all 
Earths, with the natural quality of all Lands; and the feveral 
Seeds 
