IMPERFORATE

adj. I2m-pu6r'for-at. Gr., arpijTos. Lat., imp erf or at us (from in, neg., and per for are, to perforate). Fr., impei:fore. Ger., undurchbohrt. undurchlochert. Not perforated, closed. [B, 123 (a, 24).] The Imp erf or at a are a subcla of the Reticular i a having the shell substance perforated with only one or two apertures or in branched forms with a small number of apertures. [L, 121.] [s. 439]