COMPARTMENTS.
[Illustration: Fig. 2.
Fig. 2. Compartment with two radii, serving either as a
Rostrum or Rostro-lateral compartment.]
[Illustration: Fig. 3.
Fig. 3. serves as a Lateral and Carino-lateral
Compartment.]
[Illustration: Fig. 4.
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 35 / 417 题