A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc.
Charles Darwin
Страница - 382
Страница - 384
[Plate V., figure 1
d
.]
[Plate V., figure 2
a
.]
[Plate V., figure 2
b
.]
