Nymphaeus

• A river in Latium, between Circeii and Astura, now Ninfa, Plin. 3, 5, 9, § 57.—
• II A river in Mesopotamia, Amm.18, 9, 2.

NYMPHAEUS (Ammian. 18.9.3; Νύμφιος, Procop. B. P. 1.8, 21; Suidas, s. v.), an affluent of the Tigris, 240 stadia from Amida, and the boundary between the Roman and the Persian empires. Bitter (Erdkunde, vol. 10. p. 98) identifies it with the Zibeneh Sú. (London Geog. Journ. vol. 10. p. 363; comp. St. Martin, Mém. sur l'Armenie, vol. 1. p. 166; Le Beau, Bas Empire, vol. 5. p. 248.)

NYMPHAEUS (Ninfa), a small river of Latium, mentioned only by Pliny (Plin. Nat. 3.5. s. 9), who describes it as flowing into the sea between Astura and Circeii. There can be no doubt that the stream meant is the one still called the Ninfa, though this does not now flow into the sea at all, but within a few miles of its source (which is at the foot of the Volscian mountains, immediately below the site of Norba, forming a pool or small lake of beautifully clear water) stagnates, and loses itself in the Pontine Marshes. A town called Ninfa arose, in the middle ages, close to its source, but this is now in ruins. We have no account of any ancient town on the site.

(Νύμφαιος). (1) A small river of Latium (now the Ninfa) falling into the sea above Astura, and contributing to the formation of the Pomtine marshes.

(2) A small river of Armenia, a tributary of the Upper Tigris.