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. / 15. BALANUS SPONGICOLA. Pl. 4, fig. 1 a-1 d.

15. BALANUS SPONGICOLA. Pl. 4, 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 28 / 136 章