Ant il loser is eocaenioa 
The septa are very numerous, crowded, unequal ; and the 
smaller frequently join the larger hy their sides* 
There are five complete cycles of septa in six systems; 
and there are a few laminae of the sixth cycle* The larger septa 
reach and form the horizontal floor of the calice; and their 
ends are swollen, and hound the axial apace* Numerous and deli- 
cate synapticulae join the septa. 
The costae are delicate, subequal, very numerous, close, 
wavy occasionally , and are connected hy numerous well-developed 
synapticulae, which are placed bery closely* 
The costal and septal numbers were attained very early in 
the life of the coral. 
The e pi theca is rudimentary , and barely exists. 
The wall is thick. 
Inferiorly, the tissues around the peduncle are usually 
worn off 
