LAMP'SACUS, a city of Mysia in Asia Minor, on the Hellespont, near where it begins to open into the Propoutis. 'l'he original name was Pityusa, from the number of pine trees which grew there. A colony of Ionians from Phocva and Miletus settled there, it Lampsaeus from a Greek word denoting to shine, an oracle having directed them to settle on the spot where they first saw the light. It had an excellent harbor, and became a great commercial mart. During the Ionian revolt it passed into the power of the Persians, but on their overthrow at Mycale 419 B.C. it became the ally of Athens, to which it reinained faithful until the Athenian disasters in Sicily, when it revolted. The Athenians, however, soon reducing it. held it until it was taken by Alexander the great. Afterwards it submitted to the Romans, under whom it flourished for a long nine. Several distinguished men were natives of this city, among whom were Anaxi menes the orator, Charon the historian, and Metrodorus the Epicurean philosopher. It
was the chief seat of the worship of Priapus, Who was said to have been born there of Aphrodite. A small town called Lamsaki occupies the site of the ancient Lampsacus, of which now no trace remains.
(Terebratula). a genus of brachiopodous mollusks (see BRACITIOPODA), having a delicate shell, of which one of the valves is larger and more convex than the other, prolonged backwards into a kind of beak, which is pierced by a hole or fissure. Internally, there is a delicate bony framework, of two branches, attached to the dorsal valve, by which the arms (see BRACIIIOPODA) are supported. This is called the loop, and often by shell-collectors the It is well seen in many fossil terebra take. The regent species are numerous, and very widely distributed from the polar to the tropical seas; the fossil species are extremely numerous.