Achill. _Tat._, _Isag._, cap. 19. _Ap. Petav._, t. iii., p. 81. Stob., _Eclog. Phys._, lib. i., p. 56. Plut., _De Plac. Phil._ Footnote 7: Diogenes Laetius in Anaxag., lib., ii., sec. 8. Plat., _Apol._, t. i., p. 26. Plut., _De Plac. Phil._ Xenoph., _Mem._, lib. iv., p. 815. Footnote 8: Aristot., _Meteor._, lib. ii., cap. 2. _Idem._, _Probl._, sec. 15, Stob., _Ecl. Phys._, lib. i., p. 55. Bruck., _Hist. Phil._, t. i., p. 1154, etc. Footnote 9: _Philos. Trans._, 1795, p. 72. _Idem_, 1801, p. 265. Nich., _Philos. Journ._, i., p. 13. Footnote 10: Aristot., _Ap. Cic._, lib. i., cap. 3. Footnote 11: Aristot., _Metaph._, lib. i., cap. 5. Idem, _De Cœlo_, lib. iii., cap 1. Rousseau, _Mem. sur Musique Ancien_, p. 39. Plutarch, _De Plac. Phil._, lib. i., cap. 3. Footnote 12: Tim., _Locr. ap. Plato._, t. iii., p. 90. Footnote 13: Aristot., _Nat. Auscult._, lib. ii., cap. 6. Aristoph., _Metaph._, lib. i., cap. 3. Cic., _De Nat. Deor._, lib. i., cap. 10. Justin Mart., _Prat. ad Gent._, p. 20. Footnote 14: Mosheim in Cudw., lib. i., cap. 4. Tim., _De Anim. Mund. sp. Plat._, lib. iii. _Mem. de l’Acad. des Belles-Lettr._, t. xxxii., p. 19, _et al._ Footnote 15: Book i., ch. 5. Footnote 16: Holwell, _Gent. Philosophy_. Footnote 17: Johannes Megapolensis, Jun., _Account of Maquaas or Mohawk Indians_. Footnote 18: Darw., _Bot. Garden_, Part I., Cant. i., 1, 105. Footnote 19: Grotius. Puffendorff, b. v., cap. 4. Vattel, b. i., cap. 18, etc. Footnote 20: Vattel, b. i., ch. 17. Footnote 21: Blackstone, _Com._, b. ii., cap. 1. Footnote 22: