Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
Also a poor woman of the Gothic race, lying in a colonnade not far from the palace at Ravenna, gave birth to four snakes; two of these in the sight of the people were carried up on clouds from west to east and then fell into the sea; the two others, which had but a single head, were taken away. A star with a train of fire appeared, of the kind called a comet,[*](See Amm. xxv. 10, 2 ff.) and shone for fifteen days. There were frequent earthquakes.