Note 607 — Chapter III
Reading edition
Which, however, was probably already being weakened by the silting up of the Pisan harbour. This seems to have begun through the action of the Genoese in blocking it with huge masses of stone in 1290. Bent, Genoa, pp. 86-87. Sismondi notes that, after the great defeat of 1284, "all the fishermen of the coast quitted the Pisan galleys for those of Genoa." Short History, p. 111. As to the Pisan harbour, whose very site is now uncertain, see Pignotti, Hist. of Tuscany, Eng. tr. iii, 258, note.