PIERRE DE J ONZAC RETURNED to the bank of the Nile an hour after dawn, just as he had promised or threatened to, and he brought with him his entire squadron of dragoons. Yesterday they’d galloped headlong to the very edge of the quay and pulled up just short of charging across the gangplanks, all panting and sweaty and dust-caked from having galloped up and down the Canopic Way for a night and a day trying to follow the maneuvers of the galleot.