[34] Greek Geometry from Thales to Euclid, p. 2. Allman.
[35] Inferno, canto iv, p. 130 et seq.
[36] Subjects of Social Welfare, p. 206.
[37] History of the English People, vol. i, p. 198.
[38] See Histoire de l'Université de Paris. Crévier, 1791, passim.
[39] Enumerated in the following middle-age Latin verse:
"Lingua, tropus, ratio, numerus, tonus, angulus, astra."
[40] Universities of Europe in the Middle Ages, by Rashdall, vol. ii, p. 344.
[41] William Gilbert, of Colchester, on the Magnet. Mittelag, p. x.
[42] Novum Organum, vol. 1, p. 70. Fowler's edition, p. 255.