Dedication v Preface vii _Monograph on the Cirripedia_ 1 Introduction 1 On the Names given to the different parts of Cirripedes 3 Class Crustacea, Sub-Class Cirripedia 9 On the Sexual Relation of Cirripedes 23 Order I.--Thoracica 30 Family Balanidæ 33 Table of Contents 33 Structure of Shell 34 Structure of the Individual Compartments 43 Structure of the Radii 45 Structure of the Alæ 47 Structure of the Sheath 48 Structure of the Basis 49 Structure of the Opercular Valves (Scuta and Terga) 51 Growth of the Whole Shell, and Its Microscopical Structure 54 Muscles of Sack 61 Branchiæ 63 Thorax and Body 65 Muscular System 68 Movements and Muscles of the Cirri 71 Mouth 74 Cirri 81 Caudal Appendage…
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