A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 419
Страница - 421
[Plate IX., figure 8
a
.]
[Plate IX., figure 8
b
.]
[Plate IX., figure 8
c
.]
[Plate IX., figure 9
a
.]
