A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 460
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[Plate XIV., figure 3
a
.]
[Plate XIV., figure 3
b
.]
[Plate XIV., figure 4.]
[Plate XIV., figure 5.]
