A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 378
Страница - 380
[Plate IV., figure 2
g
.]
[Plate IV., figure 3
a
.]
[Plate IV., figure 3
b
.]
