A Monograph on the Sub-class Cirripedia (Volume 2 of 2)Note 21 — 1. Family BALANIDÆ, (or Sessile Cirripedes).Reading editionMilne Edwards, ‘Annales des Sciences Naturelles,’ tom. xviii, (1852), p. 236.◇Copy noteReturn to 1. Family BALANIDÆ, (or Sessile Cirripedes).