A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 479
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[Plate XVIII., figure 6
b
.]
George Sowerby.
[
CHTHAMALUS.
]
Plate XIX.
[Plate XIX., figure 1
a
.]
