FOOTNOTES:

[189] It is not very easy to carry the understanding aright among these Aristotelian ideas. Many at the present day might think they understood better what is meant, if for "form" had been written "nature."

[190] De mundo nostro sublunari, Philosóphia Nova. Amstelodami, 1651.

[191] Theoricæ novæ planetarum. G. Purbachii, Parisiis, 1553.