Favia bartholomaei , sp# nov 
PI. , fig. 
Corallum depressed, flattish with humps on the upper sur- 
face# Horizontal extension exceeds the thickness# The largest 
specimen is 72 mm. across and 32 mm* thick# 
Corallites irregularly polygonal* Galices, shallow, ranging 
in diameter from 3 to 5.5 mm.f separated hy walls from .5 to 1.5 
mm# across -- in one instance the wall is 2 mm* thick. 
Septa quite thick, esxjecially at the wail, the number from 
19 to 27, at least half of which reach the columella, in the 
larger calices all of them may do so. The outer septal ends form 
equal, thick, low costae across the top of the wall, the inner 
ends fuse quite solidly to form a large compact columella, which 
occupies about one -half of the coral lit© cayity. 
"Details of the endotheca not recognizable. 
Locality : Island of St. Bartholomew, West Indies, ?. T. 
