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. / PLATE 30. LARVÆ OF LEPAS: SECOND AND LAST STAGES OF DEVELOPMENT.

PLATE 30. LARVÆ OF LEPAS: SECOND AND LAST STAGES OF DEVELOPMENT.

A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · Charles Darwin · 第 127 / 136 章