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. / 4. ELMINIUS SIMPLEX. Pl. 12, fig. 3.

4. ELMINIUS SIMPLEX. Pl. 12, fig. 3.

A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · Charles Darwin · 第 64 / 136 章