74 



THE ANTHOZOA 



forms, but only surrounds individual corallites in simple or branching 

 forms. SUB-FAMILY 1. ASTRAEINAE. A. Simplices. Genera Trocho- 

 smilia, M. Edw. and H. ; Placosmilia, M. Edw. and H., etc. B. Reptantes. 

 Genera Cylicia, JM. Edw. and H. ; Astrangia, M. Edw. and H. C. 

 Gemmantes. Genera Cladocora, M. Edw. and H. ; Goniocora, M. 

 Edw. and H. (Trias, Lias, and Oolite), etc. D. Caespitosae. Genera 

 Eusmilia, M. Edw. and H. ; Mussa, Oken. E. Confluentes. Genera 



FIG. XXXVI. 



1. Vertical section through the corallum of Caryophyllia Smithii, showing the theca, 

 septa, pali, columella. 



2. View of an individual of the same species from above. 



3. Flabellum patagonichwn, a specimen viewed from the side. 



4. The same viewed from above. 



5. Enlarged view of an axial calicle, with surrounding calicles, from a branchlet of 

 Madrepora. The perforate character of the theca and coenenchyme is well seen. 



6. View of a portion of a colony of Galaxea laperousiana, showing corallites projecting 

 from an abundant peritheca. 



Euphyllia, M. Ed\v. and H. ; Diploria, M. Edw. and H. ; Manicina, 

 Ehrb. ; Mceandrina, Lam. ; Coeloria, M. Edw. and H. ; Hydnophora, M. 

 Edw. and H. F. Agglomeratae fissiparantes. Genera Favia, Oken; 

 Goniastraia, M. Edw. and H. G. Agglomeratae gemmantes. Genera 

 Heliastrcea, M. Edw. and H. ; Echinopora, Dana ; Galaxea, Oken ; 

 Isastrcea, M. Edw. and H. (Trias, Cretaceous, Miocene) ; Merulina, Ehrb. 

 For a fuller account of the Astraeinae see Duncan (19). Ogilvie (84a) has 

 recently broken up the Astraeinae, separating the Eusmilinae, M. Edw. 

 and H., from them and placing the Trochosmiliacea, M. Edw. and H., 



