首页 / 官方藏书 / A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. / 2. PACHYLASMA AURANTIACUM. Pl. 20, fig. 1 a-1 d.

2. PACHYLASMA AURANTIACUM. Pl. 20, fig. 1 a-1 d.

A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · Charles Darwin · 第 81 / 136 章