CONTENTS 



VOLUME FIRST. 



INTRODUCTION, 



CHAPTER I.— ECHINODERMATA, . 



§ 1. HOLOTHURIA PENTACTES, 



§ 2. HoLOTHURIA FUSUS, 



§ 3. HoLOTHURIA SCOTICA, 



§ 4. HoLOTHURIA BODOTRI^, 



§ 5. HoLOTHURIA PhaNTAPUS, 



CHAPTER II.— ASTERIAS— The Sea Star, 

 Section I. — Asterias, 



§ 1. ASTERIAS GLACIALIS, 



§ 2. AsTERIAS RUBENS, 



§ 3. — Asterias (cbibella) oculata, 



§ 4. — Asterias aranciaca, 



§ 5. — Asterias endeca, 



§ 6. — Asterias (Solaster) papposa, 



Section II. — Ophiura, 



§ 1. — Ophiura bracteata, 

 § 2. — Ophiura vulgaris, 

 § 3. — Ophiura punctata, 

 Comatula barbata, 



KcHiNis. — The Sea Urchin, 



§ 1. — Echinus sph^ra, 



Pedicellaria, 

 § 2. — Echinus (Spatangus purpureus), 

 § 3. — Spatangus (flavescens) niveus, 



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