Note 110
Procopius, l. viii. 29; most probably a stranger and wanderer, as the Mediterranean does not breed whales. Balaenae quoque in nostra maria penetrant, (Plin. Hist. Natur. ix. 2.) Between the polar circle and the tropic, the cetaceous animals of the ocean grow to the length of 50, 80, or 100 feet, (Hist. des Voyages, tom. xv. p. 289. Pennant's British Zoology, vol. iii. p. 35.)]
The History Of The Decline And Fall Of The Roman Empire Fall In The EastChapter 40