Agaricia anguillensis sp. nov 
PI. , figs. 
Corallum rather low, consisting of crisp ate, divided and 
lobed fronds. Height or extension from the center, 44+ mm. 
Thickness 3 to 4 mm., thinner on the edges. 
Calices unifacial aubconoentrically arranged, mother 
calice excentric. In the type specimen, the distance from the 
mother calice to the edge of the frond is 35 mm., with five 
rows of calices, the outermost calice 6 mm. from the margin, 
making 7 mm. the average distance between the rows, the distance 
varies from 5 or 6 to 9 mm. The lower side of the rows is 
very slightly swollen, the ridges are almost suppressed. Trans- 
verse diameter of calices 3 to 7 mm. On the upper side the sept: 
costae directly continuous without elevation to the next series. 
Udder sides of frond finely striate. 
The septa vary in number from 15 to 38, alternately 
larger and smaller or arranged in three cycles. 6 to 12 septa 
