Fugientes tamen aliqui tela, incendiorumque magnitudinem, amnis vicini se commisere gurgitibus, peritia nandi ripas ulteriores occupare posse sperantes, quorum plerique summersi necati sunt, alii iaculis periere confixi, adeo ut abunde cruore diffuso, meatus fluminis spumaret immensi;
Translation :
Yet some escaped the weapons and the fires, great as they were, and plunged into the depths of the neighbouring river, hoping through skill in swimming to be able to reach the opposite banks; of these the most lost their lives by drowning, others were pierced by darts and perished, in such numbers that the whole course of the immense river foamed with the blood that flowed everywhere in abundance.
Edition :
Ammianus Marcellinus. With An English Translation. John C. Rolfe, Ph.D., Litt.D. Cambridge. Cambridge, Mass., Harvard University Press; London, William Heinemann, Ltd. 1935-1940.