on principles, [358] n.;

on causes, [361] sqq., [367];

on final causes, [406] sqq.;

on “nature,” [416] sqq., [422-4], [426];

on order of the universe, [433].

Art, and nature, [416-17].

Arts, fine and mechanical, [13], [14], [430];

and science, [194-5];

scope of, [204] sqq.;

and morals, [205-6].