COR I/. REEFS. 





< iral reefa are divided by Dan'! into outer or barrier 

 r|V (Fig. 33) and ini fs. The ban 



J 



I > 



•1 n ■ — 



o 





formed from tbe growth of corals eip I • the open 



. while the inner or fringing reefs (Fig. 33) are formed 



