Carpenter.— Feeding Reactions of the Rose Coral. 



Plate. 



Small portion of a colony of Isophyllia shownng oral surface of a partially 

 expanded polyp. X 1§. 



EZ, edge zone ; IG, interpolypal groove ; M, mouth ; OD, oral disk ; 

 P, small polyp which has arisen by fission from the larger polyp on the left ; 

 T, tentacles. 



Proc. Amer. Acad. Arts and Sciences. Vol. XLVI. 



