[86] [The reader will observe that Harvey, when he speaks of the heart, always means the ventricles or ventricular portion of the organ.—Ed.]
[87] De Motu Animal. cap. 8.
[88] [The Editor begs here to be allowed to remark on Harvey’s obvious perception of the correspondence between that permanent condition of an organ in the lower, and its transitory condition in the higher animals.—Ed.]
[89] [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.—Ed.]
[90] De Placitis Hippocratis et Platonis, vi.
[91] Lib. de Spiritu, cap. v.
[92] De Usu partium, lib. vi, cap. 10.
[93] See the Commentary of the learned Hofmann upon the Sixth Book of Galen, ‘De Usu partium,’ a work which I first saw after I had written what precedes.
[94] Aristoteles De Respiratione, lib. ii et iii: De Part. Animal. et alibi.
[95] De Part. Animal. iii.