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Nick Shinn - "This concept, which I would call hermaphrodite (no doubt a better term exists), of treating the upper and lower halves of a typeface (necessarily all caps) differently, seems to have originated in the 1840s. Figgins showed several styles that have this feature, including the bizarre Zig-Zag, which I would put on a par with Italian Old Style. From Gray:"
How about, "geometrically effected"?