Back of Tar´sus. Hinder edge and hinder half, on each side, of tarsus. See Planta. Homologically the sole. (106.)

Band or Bar. Any crosswise color-mark, transverse to long axis of the body.

Band´ed or Barred, a. Marked crosswise.

Barb, n. Any one of the laminæ composing the vane of a feather.

Bar´ba, n. Beard. Lengthened or otherwise distinguished feathers of chin or throat.

Barbat´us, a. Bearded.

Bar´bicel, n. Barb of a barbule, not hooked. Compare Hamulus.

Bar´bule, n. Barb of a barb. (148.)

Ba´sal, a. Pertaining to the base; situate at the base.

Base, Ba´sis, n. Bottom; root; origin.