me gal ichthys

[Pref. megal-, and Greek ichthys a fish.] Palæont.: A genus of ganoid fishes, family Sau rod i pterin i ( Huxley ), Saurodipteride ( Günther ), and Sau rich thy i dae ( Owen ). They have heterocercal tails, rhomboidal scales, with large dispersed laniary teeth, sometimes of a size rivaling those of great Saurians, for which they have been mistaken. Found in the Coal Measures at Carluke, near Glasgow, and elsewhere in deposits of the same age. IMG:content-1067.png:[blocks in formation] lithic.] 1. Ord . Lang. & Antiq .: Consisting of great or huge stones; spec if., applied in architecture to ancient structures and monuments constructed of large stones, such as the early Cyclopean architecture in Greece. 2. Anthrop .: A term applied to a certain cla of monuments, probably sepulchral, consisting of huge, unhewn stones. Fergu on cla ifies them thus: (1) Dolmens, occurring either as separate erections, or upon the outside of tumuli; (2) Circles, either surrounding tumuli or dolmens; (3) Avenues, either leading to circles or dolmens, or standing alone; (4) Menhirs (q. v.). měg-a-lō-, pref. [Greek megas, fem. megalē = great.] The same as MEGA- (q. v.).