anti tropic (antitropik)

[As anti trope + -ic.] Of or pertaining to an anti trope, or to antitropy; symmetrically related in position; reversely repeated, so as to form a pair. anti trop ous (an-tit'ro-pus), a. [ We still see remaining an antitypal sketch of a wing adapted for flight in the scaly flapper of the penguin. A. R. Wallace, Nat. Selec., p. 24.