Page:Roman History of Ammianus Marcellinus.djvu/203

 by his violation of a royal marriage, a pestilence broke out among them, and numbers died by the darts of Apollo, who is the same as the Sun.

4. Again, as Thucydides relates, that pestilence which at the beginning of the Peloponnesian war harassed the Athenians with a most cruel kind of sickness, came by slow steps from the burning plains of Ethiopia to Attica.

5. Others maintain that the air and the water, becoming tainted by the smell of corpses, and similar things, takes away the healthiness of a place, or at all events that the sudden change of temperature brings forth slighter sicknesses.

6. Some again affirm that the air becomes heavier by emanations from the earth, and kills some individuals by checking the perspiration of the body, for which reason we learn from Homer, that, besides men, the other living creatures also died; and we know by many instances, that in such plagues this does occur.

7. Now the first species of pestilence is called pandemic; this causes those who live in dry places to be attacked by frequent heats. The second is called epidemic, which gets gradually more violent, dims the sight of the eyes, and awakens dangerous humours. The third is called loemodes, which is also temporary, but still often kills with great rapidity.

8. We were attacked by this deadly pestilence from the excessive heat, which our numbers aggravated, though but few died: and at last, on the night after the tenth day from the first attack, the heavy and dense air was softened by a little rain, and the health of the garrison was restored and preserved.

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1. In the mean time the restless Persians were surrounding the city with a fence of wicker-work, and mounds were commenced; lofty towers also were constructed with iron fronts, in the top of each of which a balista was placed, in order to drive down the garrison