[19] De Locis Affectis., lib. vi, cap. 7.
[20] De Animal. iii, cap. 9.
[21] De Respirat. cap. 20.
[22] Bauhin, lib. ii, cap. 21. Riolan, lib. viii, cap. 1.
[23] [The reader will observe that Harvey, when he speaks of the heart, always means the ventricles or ventricular portion of the organ.]
[24] De Motu Animal. cap. 8.
[25] [At the period Harvey indicates, a rudimentary auricle and ventricle exist, but are so transparent that unless with certain precautions their parietes cannot be seen. The filling and emptying of them, therefore, give the appearance of a speck of blood alternately appearing and disappearing.]
[26] De Placitis Hippocratis et Platonis, vi.
[27] Lib. de Spiritu, cap. v.
[28] De Usu partium, lib. vi. cap. 10.