HETEROCEPHALOUS
Het`e*ro*ceph"a*lous, a. Etym: [Hetero- + Gr. (Bot.)

Defn: Bearing two kinds of heads or capitula; — said of certain composite plants.

HETEROCERA
Het`e*roc"e*ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A division of Lepidoptera, including the moths, and hawk moths, which have the antennæ variable in form.

HETEROCERCAL
Het`er*o*cer"cal, a. Etym: [Hetero- + Gr. (Anat.)

Defn: Having the vertebral column evidently continued into the upper lobe of the tail, which is usually longer than the lower one, as in sharks.

HETEROCERCY
Het"er*o*cer`cy, n. Etym: [Hetero- + Gr. (anat.)

Defn: Unequal development of the tail lobes of fishes; the possession of a heterocercal tail.

HETEROCHROMOUS
Het`er*o*chro"mous, a. Etym: [Hetero- + Gr. (bot.)

Defn: Having the central florets of a flower head of a different color from those of the circumference.