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. / 8. TETRACLITA RADIATA. Pl. 11, fig. 5 a-5 d.

8. TETRACLITA RADIATA. Pl. 11, fig. 5 a-5 d.

A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · Charles Darwin · 第 63 / 136 章