Note 135 — Chapter I · SPECULATIVE PHILOSOPHY IN GREECE, BEFORE AND IN THE TIME OF SOKRATES.

Theophrast. De Sensu, s. 9, 10. The criticisms of Theophrastus upon this theory of Empedokles are extremely interesting, as illustrating the change in the Grecian physiological point of view during a century and a half, but I reserve them until I come to the Aristotelian age. I may remark, however, that Theophrastus, disputing the doctrine of sensory effluvia generally, disputes the existence of the olfactory effluvia not less than the rest (s. 20).