A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 356
Страница - 358
[Plate II., figure 1
b
.]
[Plate II., figure 1
c
.]
[Plate II., figure 1
d
.]
