The cities of Italy are now deluged with droves of these creatures [tour groups], for they never separate, and you see them, forty in number, pouring along a street with their director — now in front, now at the rear, circling them like a sheep dog — and really the process is as like herding as may be.

Charles James Lever, Cornelius O'Dowd Upon Men and Women and Other Things in General (Blackwood's Magazine, 1864-1865): "Continental Excursionists" [Adamant Media Corporation, 2001, ISBN 0-543-90729-5], p. 243. Quoted by Boorstin in The Image: A Guide to Pseudo-Events in America (1961) [Vintage edition, 1992, ISBN 0-679-74180-1], Ch. 3: From Traveler to Tourist: The Lost Art of Travel, p. 88