A Monograph on the Sub-class Cirripedia (Volume 2 of 2)Note 57 — 1. Family BALANIDÆ, (or Sessile Cirripedes). (continued 2)Reading edition‘Annales des Scienc. Nat.,’ tom. xx, p. 451.◇Copy noteReturn to 1. Family BALANIDÆ, (or Sessile Cirripedes). (continued 2)