Familia 1. BALANIDÆ. (Darwin, 'Balanidæ,' p. 33.)
Cirripedia sine pedunculo: scuta et terga musculis depressoribus
instructa: reliquæ testæ valvæ inter se immobiliter conjunctæ.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 185 / 417 题