WITH THE MOST SINCERE RESPECT,
AS THE ONLY, THOUGH VERY INADEQUATE ACKNOWLEDGMENT
WHICH THE AUTHOR CAN MAKE OF HIS GREAT AND
CONTINUED OBLIGATIONS TO THE
'HISTOIRE NATURELLE DES CRUSTACÉS,'
A Monograph on the Sub-class Cirripedia (Volume 2 of 2) The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. · 第 25 / 417 题