A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 379
Страница - 381
[Plate IV., figure 3
c
.]
[Plate IV., figure 4
a
.]
[Plate IV., figure 4
b
.]
[Plate IV., figure 4
c
.]
