Micro don (mikrodon)

[NL. (Meigen, 1803), North American species. They are large, nearly bare, usually short and thick-set, with flattened scutellum and short wings, in which there is a stump of a vein in the first posterior cell from the third longitudinal vein. The larvæ are remarkable objects, resembling shells, and have twice been described and named as mollusks. M. globo sus is an example. 2. In ichth., a genus of pycnodont fishes of the Cretaceous period. Aga iz, 1833.-3. In conch., a genus of bivalve mollusks. Conrad, 1842. microdont (mikro-dont), a. [ The microdont races are the low-caste natives of central and southern India; the Polynesians; the ancient Egyp tians; mixed Europe ans not British; and the British. Pieris rapæ, both in Europe and in America.