A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 386
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[Plate V., figure 2
n
.]
[Plate V., figure 2
o
.]
[Plate V., figure 3
a
.]
