[260] Qui voce propria canunt.
[261] The pandura was a stringed instrument! In the succeeding sections these instruments are briefly described, and the sambuca, another stringed instrument, is also included.
[262] Other instruments mentioned are psalterum, lyra, barbitos, phoenix, pectis, indica, aliae quadrata forma vel trigonali, margaritum, ballematica, tintinnabulum, symphonia.
[263] The general sense of the passage: “ut sine ipsius perfectione etiam homo symphoniis carens non consistat.” 3, 23, 2. See [p. 65].
[264] J. L. E. Dreyer, History of the Planetary Systems from Thales to Kepler (Cambridge, 1906), p. 141.
[265] See Introduction, [p. 51].
[266] Tannery in his Recherches sur l’histoire de l’astronomie ancienne (Paris, 1893), has an interesting discussion of the successive names of the science of the heavenly bodies. He attributes the revival of the older term astronomy about the end of the third century A.D., to the association of the term astrology with divination. In Varro the name used was astrology.
[267] 3, 71, 21–40. See pp. [152]–[4].
[268] Du Breul has Ptolemaeus, rex Alexandriae.
[269] The canons by which Ptolemy calculated the position of the planets. Isidore makes no further reference to them.