The Larval Stages of Balanus Balanus (L.) Da Costa

Abstract
Six naupliar and a cyprid stage for B. balanus are described and diagrams given for the general outlines and individual appendages. Sizes and setation formulae are given.The naupliar stages resemble both B. balanoides and B. crenatus; attention is drawn to some distinguishing features and a key for the separation of the species is provided.