iLDecameron Phyfiologicuni; Or^tenDkloguesof Nitmd 
Philopphy* To which i$ added Qhey 4re the jiuthors wards) 
the frofortion of & fir eight Line , cq^ud to half the Arch-of 
a^mdra^t* ^jy Thomas Hobbs 0/ Malmsbury. 
IAai not more certain of the Authors being a learned 
Man, than I am of his nViftakes in fcveral Particulars of 
this Book. Yet my bufinefs is not here to difpure k, but to 
give a juft account of it , which is as follows. 
The (irft Dialogue is of the Original of Natural Philofo* 
phy 5 which (from the Authority of Diodorus Siculm) heaf- 
cribes to the Aftronomers of lEthupia : Many of whofe 
Pofterity (their only Difciples) were tranfplanced inc<) 
gjpt^ (whence Fythdgoras.&cc. fetched their Phiiofophy mo- 
Greecis) and Afyna , and were by the Hehrevps there called 
Chaldies t orChaldim, corruptly, as he conjeSures, from 
Chttldim^ as that from Chufdim, as being a Race of Mthioph 
Oins for MthiopU and the Land of Chm are the fame. But 
he conceives, That thefirft Studiersof Natural Phiiofophy 
commonly fo caMed/were the Greeks : That the feveral Sefls 
hereof were the occafion of Herefies in the Primitive Church; 
And this and the Scriptures together of the Schoolmen. 
Whereto he fubjDvns his thoughts of the nature of Body,de- 
Sneing it, a thing that ha^th Being in it felf without the help 
of Senfe. 
The fecond is of the Principles and Method of Natural 
Philolbphy : Wherein he neglefteth all Caufes, but Motioni 
the univerfal Efficient. This he defines to be^Change of Place. 
Place to be,the fpace wherein a Body is contain'd ; or,The I- 
mage of a Body. Time,the Image of Motion, To which he 
fubjo>B:2thfome Proportions^ 
The Third is of Vacmm ^ v^hlch hedenyeth from fcveral, 
hy him fuppofed Arguments. Afferteth, That the fpace above 
the ^!M^^€f^^J in the Barometre , is filled with Air. And thac^ 
in working upon the Pneumacick Engine, there is neverany 
Air pumped out. 
The fouf this,, of the. Syftersi of tte World,. Wherein'- 
