[106] Enchiridion, lib. iii, cap. 8: “The blood incessantly and naturally ascends or flows back to the heart in the veins, as in the arteries it descends or departs from the heart.”

[107] Enchirid. lib. iii, cap. 8.

[108] Lib. iii, cap. 6.

[109] Lib. iii, cap. 6.

[110] Lib. iii, cap. 9.

[111] Lib. iv. cap. 2.

[112] [To those who hesitated to visit him in his kiln or bakehouse (Ὶπνω, which some have said should be Ὶππω, rendered a dunghill) Heraclitus addressed the words in the text. Aristotle, who quotes them, has been defending the study of the lower animals.—Ed.]

[113] Vide Chapter III, of the Disquisition on the Motion of the Heart and Blood.

[114] Vide Chapter XIV.

[115] De Generat. Animal. lib. iii, cap. x.