X CONTENTS. 



CHAPTER IV. 



PAGE 



Sea-Anemones, or Actiniadse. — Tenacity of Life. — Reproduction of 

 Parts. — Double-headed specimen. — Power of stinging. — Food. — 

 Moralizatiou, or Purposeless Existence.— Changes of form. — 

 Classification 78 



CHAPTER V. 



SEA-ANEMONES. — THEIR DIFFERENT KINDS. 



Sea- Anemones, continued. — Divisions into Genera. — Sagartia. — 

 Bunodes. — Actinia. — Anthea. — Adamsia. — Abnormal forms of 

 Actiniadse. — Corynactes. — Hyanthus. — Capnea. — Arachnitis. — 

 Edvvardsia. — Peachia , 95 



CHAPTER VI. 



SEA-BELLS AND CORALS. 



Lucemaria. — Zoanthus. — Madrepores. — Compared with Anemones. — 

 Their beauty. — Feeding. — Balseuophyllea. — Turbinaria. — Oculina. 

 — Corals and Coral Islands. — Mushroom Coral 125 



CHAPTER VII. 



Medusae, or Jelly-fish. — Not good Aquarians. — Their history .^ — Multi- 

 plication. — ^Metamorphoses. — Chrysoaria cyclonota. — Beroeovata. 

 — Sea-Cucumbers. — Mode of progression. — Habits in an Aqua- 

 rium. — Self-mutilations. — Psolinus brevis. — Cucumaria grandis. 

 — Thyone papillosa 149 



CHAPTER VIII. 



SEA-URCHINS AND STAR-FISHES. 



Common Echinus. — Means of progression. — Proportions of Plates. — 

 Digestive organs. — Echinus miliaris. — Spatangus. — Cidaris. — 

 Star-fishes. — Their classification. — The Rosy Feather-Star. — 

 Ophiocoma. — Luidia. — Uraster 163 



