MADREPORARIA. 

 Fig. 318. 



525 



INladrepore, Madrepora aspera, Dana. Right-hand branches alive. 

 Fig. 519- 



Fig. 520. 



Fig. 521. 



Poritesjlexiiosa, Dana. 



Fig. 522. 



Mieandrina gracilis, Dana. 

 Cladocorafexitosa, Ehr. Small piece of a large mass. 



Fig. 523. 



speciosa, Dana. Astroides calyciilaris, Milne-Edw. Coral Polyps in 



various stages of expansion. 



