LIST OF ILLUSTRATIONS. 



FIG. 

 I. 



2. 

 3- 



4- 



5- 

 6. 



9- 



lO. 



1 1. 



12. 



13- 



14. 



15- 

 16. 



17. 



18. 

 19. 



20. 

 21. 



ENGRAVINGS. 



Cross -sections of the corallites of species of Monticulipora and 



Chcetetes, ...... 



Cross-sections of the corallites oi Alonticnlipora, 

 Longitudinal sections of the corallites of species of Monticulipora, 

 Tangential section of Monticulipora iniplicata, Ulrich, 

 Tangential section o( Monticulipora moniliforniis, Nich., 

 Tangential and longitudinal sections of Stenopora Tasmatiiensis 



Lonsd., ....... 



Tangential and vertical sections of Monticulipora Sehiiynii, Nich. 



showing the tabulge, ..... 

 Heteropora neozelanica, Busk, and H. pelliculata, \V^aters, . 

 Minute structure of Heteropora neozelatiica, Busk, . 

 Tangential and vertical sections of Chcetetes radians, Fisher, var., 

 Stenopora Jackii, Nich. and Eth. jun., 



Tangential and vertical sections of Stenopora Howsii, Nich., 

 Sections of Tetradium minus, Safiford, 



Sections of Ceramopora Oliioensis, Nich., and Ceramopora, sp., 

 '$>tz'(\QX\'s, oi Heterodictya gigantea,'^'\(3i\., 

 Sections of Fistulipora minor, M'Coy, 

 Sections of Favosites Canadensis, Bill. sp. ( = Fistulipora Cana 



den sis, Bill.), ...... 



Sections oi ATonticulipora {Heterotrypa) ramosa, E. and H., 

 Sections of M. ramosa, var. rugosa, E. and H., and AP. ramosa 



var. Dalii, E. and H., . 

 Sections of Monticulipora {Heterotrypa) gracilis^ James, 

 Sections oi Monticulipora {Heterotrypa) Andrewsii, Nich., . 



37 

 38 

 40 

 46 

 46 



48 



52 

 66 

 69 

 80 

 81 

 82 

 85 

 87 

 89 

 92 



94 

 1 12 



114 

 126 

 129 



