CONTENTS. 



Page 



INTRODUCTORY CHAPTER - - 1 



PART I. — ANNUL ATA - - - 28 



Family I. — Dorsalidcs - - - 29 



1. Arenicola - - - - 29 



2. Siliquaria - - - - 30 



Family II. — Maldanidce - - - 31 



3. Clymene - - - - 31 



Family III. — Amphitritidce - - - 31 



4. Pectenaria - - - - 31 



5. Sabellaria - - - - 32 



6. Terebella - - - - 32 



7. Amphitrite - - - - 33 



Family IV. — Serpulidce - - - 34 



8. Spirorbis - - - - 34 



9. Serpula - - - - 34 



10. Vermilia - - - - 35 



11. Galeolaria - - - - 35 



