[16]

See p. 48.

[17]

For a full notice of Pytheas see Elton, 'Origins of English History,' pp. 13-75. See also Tozer's 'Ancient Geography,' chap. viii.

[18]

Posidonius of Rhodes, the tutor of Cicero, visited Britain about 100 B.C., and wrote a History of his travels in fifty volumes, only known to us by extracts in Strabo (iii. 217, iv. 287, vii. 293), Diodorus Siculus (v. 28, 30), Athenaeus, and others. See Bake's 'Posidonius' (Leyden, 1810).

[19]