Sub-Familia 2. CHTHAMALINÆ. (Darwin, 'Balanidæ,' p. 446.)
Rostrum cum alis sed sine radiis; valvæ rostro-laterales utrinque sine
alis; parietes non porosi.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 198 / 417 题