( 577 T 
2* m Rtrim Haturalium Tnitiis where he mentions tSefe- 
veral Hjpothefes and Principles of Philofophers, and approves of 
the Cart eft an^ efteeming, that none ever looked, fo like truth, as 
thofe 5 though he thinks them defe&ive in .this, that, how well 
foever they fhew the produdion of things out of Matter vari- 
oufly modified, yet they feem not to have fufiiciently account- 
ed for the efficient power thereof, 
3. Be Unkterfitate ? where he feems to be in a Maze, and 
thinks, That the StruElure of the Vniverfe hath not been under- 
ftood hitherto, nor will eafily be hereafter. 
4. ' Be Sole : which Luminary he is inclin’d to believe to be a 
kind of Flaming Fire, appearing in a Telefcope, like a Caldron full 
of boyling Mettal : where alfo he difcourfes of the nature of Light, 
Heat and Flame f and affirms Light (as other fenfible Qualities) 
to be not in the objetl, but the Sentient $ as Pam is not in the 
Smrd, but in the Animal wounded by the Sword. 
5. Be Generations Hominis : where, diftinguifhing between 
Genitura and Semen, and making the former to be that fubftance, 
which either Sex furnifhes to the Foetus 9 and the latter? the Con- 
crete of both Parents, He is of opinion, that that which he calls 
Genitura , confiftsof two things. Vid. a Craffe liquor, manifeft to 
feUfe; and of a very fubtile and refined fubftance, containing 
all the virtue of Generation, and lodged in the former as its re- 
ceptacle. Which having eftablifht, he affirms, that groffer pare 
of the Geniture not to be Bloud elaborated , but a Juyce, fecre- 
tedfrom the Bloud, and being ftrained through the Corpus vari- 
eofum or plexus pampiniformis (wherein the feminal arteries are 
by innumerable anaftomofes fo combined and interwoven with 
wins , that very hardly any naked eye can difcern a Vein from an 
Artery) it pafleth into peculiar fit veffels, and is of a colour like 
that of the White of an Egg, As to the Formation of the Foetus y 
fieefteems That, before the appearance of any Bloud, or the fra- 
ming of any member, there are form’d all the lineaments of the 
Animal to come, though indifcernibly *, which he endeavours to 
make out very particularly, interweaving fome Animadverfions 
©n Authors of differing fentiments, and mentioning feveral not 
an-philofophical Hints, 
DeNutmatione e Here the ^toobfervcs fosae things ia 
the 
