A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 439
Страница - 441
[Plate XII., figure 2
f
.]
[Plate XII., figure 3.]
[Plate XII., figure 4
a
.]
