IN THE COCOS^KEELING ISLANDS. 47 



wliicli the apex, 1 inillim. long, is xni(lifferoiitiatecl and bears no calicles. 

 The same law is followed in the process of repair exhibited lo' a broken 

 stump of a branch on tlie larger specimen. The wide angle of bifurcation 

 of the branches causes the colony to assume a low decumbent form, and 

 bringing, as it does, neighbouring branches into juxtaposition, gives rise 

 to anastomoses ; the branching in various planes gives it a broad top, 



Eoliinopora lamellosn, E^p. 



Montipora digitatn, Dana, Inside the reef, 



sp, near expansa, Dana. 

 Porites Ifevis, Dana. (?) Outside the reef. 

 Fayouia lata, Dana. Inside the reef. 

 PociiJopora brevicornis. Lam. Inside tlie reef. 



elcgans (?) Dana. Outside tlic reef 



