7. _Genus_--ANELASMA, _Darwin_. ('Lepadidæ,' p. 169.)
Capitulum sine valvis; aperturâ amplâ; pedunculus fimbriatus,
sub-globosus, infossus.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 212 / 417 题