8. _Genus_--ALCIPPE, _Hancock_. (Darwin, 'Balanidæ,' p. 529.)
(Fœm.) Capitulum sine valvis, aperturâ spinosâ; pedunculus ad
basalem extremitatem crescit; superficie rostrali depressâ et disco
corneo tectâ; capitulum et pedunculus in cavitate conduntur, ab ipso
cirripedio formatâ.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 213 / 417 题