CONTENTS. V 



Conditions under which the West Indian, Central American, and Floridian 



coral reefs have formed — Continued . Page . 

 Living coral reefs of the West Indies, Florida, and Central America — Con'td. 

 Submerged banks north of the coral reef zone in the western Atlantic 



Ocean 305 



Summary of the conditions under which the American fossil and living 



reefs formed 305 



Coral reefs of the Pacific Ocean 306 



Great Barrier Reef of Australia 306 



New Caledonia 308 



Fiji Islands 309 



Society Islands 311 



Tahiti 311 



Smaller islands of the Society group 312 



Atolls 313 



Conclusions 319 



Bearing of these conclusions on hypotheses of the formation of coral reefs 325 



Suggestions as to future investigations 329 



Systematic account of the faunas 333 



Class Anthozoa 333 



Madreporaria Imperforata 333 



Family Seriatoporidae 333 



Genus Stylophora 333 



Pocillopora .■ 342 



Madracis 345 



Family Astrocoenidae - 345 



Genus Astrocoenia 345 



Stylocoenia 351 



Family Oculinidae 352 



Genus Oculina 352 



Archohelia 352 



Family Eusmiliidae 354 



Genus Asterosmilia 354 



Stephanocoenia 356 



Dichocoenia 360 



Eusmilia 361 



Family Astrangiidae 361 



Genus Cladocora 361 



Family Orbicellidae 362 



Genus Orbicella 362 



Solenastrea 395 



Antiguastrea 401 



Stylangia 410 



Sepastrea ■ 411 



Family Faviidae 412 



Genus Favia 412 



Fa\dtes 414 



Goniastrea 416 



Maeandra 417 



Leptoria 421 



Manicina 421 



Thysanus 423 



Family Mussidae 424 



Genus Syzygophyllia 424 



