A Monograph on the Sub-class Cirripedia (Volume 1 of 2)Note 33 — Class—CRUSTACEA. Sub-Class—CIRRIPEDIA. (continued 3)Reading editionFrom οξυνω, to sharpen, and ασπις, a shield or scutum.◇Copy noteReturn to Class—CRUSTACEA. Sub-Class—CIRRIPEDIA. (continued 3)