Ortoicella cavernosa var. anguillensig var. nov. 
PI. , figs. 
This variety is characterised toy having large oalices, 
some of which may toe distant and prominent. 
Dimension of calicos. 
1 
2 
3 
4 
r; 
6 
7 
Greater diameter 
18.5 mm. 
15 mm. 
12 mm. 
14 . 5 nan • 
15 mm* 
14 mm. 
11 mm. 
Lesser diameter 
14.5 " 
14.5 
12 H 
12.5 
14 " 
12.5 
9.5 
The young calices, of course, are smaller. 
Distance apart 7 to 20 mm. Isolated calices may toe 
decidedly prominent, 5 mm. or more in height. Depth, moderate. 
The corallites externally are strongly costate, large 
cost ae\t all , and-. t h 1 n ^ alternating with much smaller ones. The 
intercostal spaces aysss wider than the costae. 
Septa in the larger calices toe tween 70 and 80, the various 
systems and cycles are not distinctly differentiated, atoout 24 
