TABLE OF CONTENTS. 



Fage. 



Introduction 1 



Classification of the Madreporaria 2 



The species problem in corals 4 



Need of experimental investigation and more elaborate studies of variation in corals 6 



History of systematic work on Hawaiian Jladreporaria 7 



Systeinatic list of the fauna, with the station numbers, etc 9 



Lists showing the geographic distribution of the Madreporaria around the Hawaiian Islands... 22 



Bathymetric distrilmtion 32 



Distribution according to temperature 41 



Intiuence of the character of the bottom on distribution 4tj 



Additional factors governing the distribution of Madreporaria 46 



Faunal affinities of the Hawaiian Madreporaria 47 



Systematic discussion of the fauna 48 



Madrc]ioraria Imperforata 48 



Family Flal )ei lida- 48 



Genus FlabcUum 49 



Gardineria 65 



I'lacotrochus 66 



Family (aryopliylliidie 67 



Genus Desmophyllum 67 



Paracyathus 68 



Deltocyathus 71 



Trochocyathus 72 



Caryopliyllia. 7:>, 



Cyathoceras 77 



Ceratotrochus 78 



Family .\nthemiphylliid;e 79 



Genus .\nthemiphyllia 79 



Family Oculinidif 80 



Genus Madrepora 80 



Family Stylophoridw 83 



Genus .Madracis 83 



Family Pocilloporida; 84 



Genus Poeillopora 84 



Family Orbicellidie 101 



( ienus Leptastrca 101 



Cyphastrea 103 



F'amily Faviidjc 104 



Genus Coclastrea 104 



Favia 105 



Family Mussida? lOfi 



Gemis Mussa 106 



v 



