Antiilia? compressa 
ft ft 
The form la as Duncan described it# The greater diameter of 
the calice is 24.5 min.; lesser, 1? mm.; height 37 mm. 
The wall is rather stout, distinctly but only moderately 
strongly costate. Costae alternately larger and smaller, between 
90 and 96 in number, their edges worfe , but appear to have been 
rather sharp. Apparently, but not positively, vestiges of en- 
circling epitheca, are present. 
The septa agree with Duncan’s description. 
Columella well developed, composed of an interfusing net- 
work. 
There are low opposed ridges on the septal faces, and as 
such a character is usually (or always) an accompaniment of den- 
tate septal margins, it is supposed that the margins are dentate 
in this coral. 
Because of the apparent presence of an eplthecal envelope, 
and rather finely dentate septal margins and as there is a well 
developed spongy columella the species is provisionally referred 
to the genus Ant if lia . 
