unrelated in chemical composition, though similar or indentical in certain other respects; as, borax and augite are homoemorphous, but heteromerous.-with the parts not corresponding in number.-having the femoral artery developed as the principal artery of the leg; -- said of certain birds, as the cotingas and pipras.-having five tarsal joints in the anterior and middle legs, but only four in the posterior pair, as the blister beetles and oil beetles.