[XX_40] Lucian. In Dialog. de Gymnasiis.
[XX_41] Aldrovand. Ornith. xiii. 22.
[XX_42] Quintilian. Institut. Orat. v. 9.
[XX_43] Athen. ii. 12.
[XX_44] Id. xiv. 6; Aristophan. In Avibus.
[XX_45] Athen. iv. 1, et passim.
[XX_46] Clem. Alexandr. Pædagog. ii. 1.
[XX_47] Varro. R. R. iii. 2, 3.
[XX_48] Id. i. 38.
[XX_49] Id. iii. 5; Nonnius, ii. 29.