Acorus Calamus (SWEET FLAG)

Genus of aromatic plants, family Araceæ. IMG:content-0039.png:[graphic] Acosta, GABRIEL, or URIEL, 1594-1647. Apos- tate, of Jewish descent, but educated as a Chris- tian. He went from Por- tugal to Holland, became a Jew, and for certain her- esies was excommunicated by the rabbis. Acoustics. That branch of physics which treats of the production, transmi ion and compari- son of sounds. See SOUND. A crania. Division of Vertebrata characterized by the absence of a cra- nium. A simple brain is present. Amphioxus is the only representative. See LEP TO CARD I I. A craniate. Said of Chordate animals like Amphioxus , which lacks a cranium. Acrasiaceæ. Family of Myxomycetes or slime- moulds. Acraspeda, or ACRAS- PEDOTA. The "covered- Acorus Calamus. eyed" Medusæ include those jelly-fish whose eyes are sunk in special pits in the edge of the umbrella-shaped body. They form the group Scyphomedusæ , also sometimes termed Discome dusæ and Lucern arid a .