[573] See Carus, Geschichte der Zoologie, pp. 211-239.

[574] Sum. theol. pars prima, tract. I, quaest. ii.

[575] Ante, Chapter XXXV., I.

[576] Tome xx. p. 41a.

[577] The Vita of Thomas by Guilielmus de Thoco, Acta sanctorum, Martius, tome i. folio 657 sqq. (March 7), is wretchedly confused.

[578] Vita, cap. iii. § 15.

[579] One may see the truth of this by comparing the treatment of a matter in Albert’s Summa theologiae with the corresponding sections in Thomas. For example, compare Albert’s Summa theol. prima, Tract. vii. Quaest. xxx.-xxxiii., on generatio, processio, missio of the divine persons, with Thomas, Sum. theol. prima, Quaest. xxvii. and xliii.

[580] John of Damascus, an important Greek theologian of the eighth century, often cited by Thomas.

[581] Quaestiones are the larger divisions of the argument.

[582] Pars prima, Qu. xvi. Art. 3.