Clausewitz, KARL

VON, 1780-1831. German military writer. Clausius, RUDOLF JULIUS EMANUEL, 1822-1888. Prof. Zurich 1857, Bonn 1869; writer on mathematical physics, optics, electricity, and thermodynamics, of which he was one of the founders. Clau on, PEDER, 1545-1614. Norwegian author; tr. Sagas. Clausthalite. PbSe. Lead selenide, first found in the Hartz Mts. IMG:content-0902.png:[blocks in formation] bones of the shoulder girdle (pectoral arch), the posterior being the coracoid, the dorsal one the scapula or shoulder blade. In Fishes the clavicle is larger than the coracoid and usually fused to it. In Birds the clavicles unite ventrally and constitute the wish-bone (furcula), the coracoids being very much developed and alone supporting the breastbone. In Mammals the coracoid is reduced to a proce of the scapula; and in the hoofed animals and Carnivora the clavicle is rudimentary or absent. Clavicular i a. Side pieces of the turtle's plastron. Clavicymbalum. See PIANOFORTE.