EOZOON

(dawn, and animal), pecuHar structures of calcite and serpentine, come thing similar to Stroma top or a and other hydroid corals, found among the early crystalline gnei es and schists of the lower St. Lawrence valle yand the Archaean limestones of Canada. Sir J. W. Dawson, 1864, first described them as ‘remains of gigantic Foraminifera,’ and they were generally held to be fo il organisms. The sese arches of Mobius and others go to prove that they are merely a mineral concretion or segregation of purely inorganie origin. E. has been discovered in rocks of the same age in Bavaria and in limestone blocks brown from the crate) of Vesuvius. Theban general; expelled Spartan garrison, 379 B.C.; defeated Spartans at Leuctra, 371, and Mantinea, 362; did much for Thebes politically, and developed military strategy.