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. / 13. BALANUS NAVICULA. Pl. 3, fig. 6 a-6 d.

13. BALANUS NAVICULA. Pl. 3, fig. 6 a-6 d.

A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · Charles Darwin · 第 26 / 136 章