[183] Presumably the terminal sinus of modern embryology.

[184] The fourth day of incubation.

[185] Per totum colliquamentum. For Harvey's account of this clear liquid see On Generation, XVI, Syd. 232, l. 15 to 234, l. 31; Op. Omn. 246, l. 4 to 248, l. 17.

[186] Aristotle: History of Animals, Book VI, chapter 3. This reference is Harvey's own. Aristotle's words are πόροι φλεβικοί (561a, 13), which are given by Harvey as "meatus venales."

[187] Harvey: On Generation, XVII, Syd. 237, l. 16 to 238, l. 12 and 238, l. 25-35; Op. Omn. 251, l. 6 to 252, l. 3 and 252, l. 15-22.

[188] Harvey: On Generation, XIX, Syd. 252, l. 1 and l. 9-11; Op. Omn. 266, l. 3 and l. 11-13.

[189] Harvey: On Generation, XVI, Syd. 415, l. 22-24; Op. Omn. 433, l. 22-24.

[190] Harvey: On Generation, LVI, Syd. 415, l. 32-38; Op. Omn. 433, l. 31 to 434, l. 4.

[191] Harvey: On the Motion, etc., IV, Syd. 30, l. 14-22; Op. Omn. 32, l. 8-14.

[192] Harvey: On Generation, LI, Syd. 373, l. 35 to 374, l. 27; Op. Omn. 389, l. 28 to 390, l. 22.