A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 415
Страница - 417
[Plate IX., figure 2
d
.]
[Plate IX., figure 3
a
.]
[Plate IX., figure 3
b
.]
