A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 431
Страница - 433
[Plate XI., figure 3
d
.]
[Plate XI., figure 3
e
.]
[Plate XI., figure 4
a
.]
