[115] Galen: On the Use of Respiration, Kn. Vol. IV, 505, l. 15 to 506, l. 5.

[116] Harvey: On the Motion, etc., VIII, Syd. 46, l. 34 to 47, l. 16; Op. Omn. 49, l. 3-19.

[117] Aristotle: On Respiration; On the Parts of Animals, Books II and III; and elsewhere. This reference is by Harvey himself.

[118] Aristotle: On the Parts of Animals, Book II. This reference is by Harvey himself.

[119] Harvey: On the Motion, etc., XV, Syd. 68, l. 19 to 69, l. 17; Op. Omn. 69, l. 22 to 70, l. 18.

[120] Harvey: On the Motion, etc., XV, Syd. 70, l. 17-25; Op. Omn. 71, l. 22-29.

[121] Harvey: On the Motion, etc., XVI, Syd. 72, l. 8-11; Op. Omn. 73, l. 13-16.

[122] Harvey: On the Motion, etc., XVII, Syd. 83, l. 9-27; Op. Omn. 84, l. 31 to 85, l. 14.

[123] Hippocrates: On the Nature of the Child, Lit. Vol. VII, 530, l. 3-19.

[124] Aristotle: History of Animals, 561a, 4 to 562b, 2.