Plutarch's Lives IX trans. B. Perrin (Loeb, 1950), 488-9 (Book XI, ii-iii): `... They themselves, indeed, had not had intercourse with other peoples, and had traversed a great stretch of country, so that it could not be ascertained what people it was nor whence they had set out, thus to descend upon Gaul and Italy like a cloud. The most prevalent conjecture was that they were some of the German peoples which extended as far as the northern ocean ...' - a conjecture which presumably Harrison believed gave support to his own theory that the Cimbri had originated in Britain.