Antilloseris angulata 
The number of the septa is as Duncan has given it. PI. 
fig. , represents an enlarged thin section of a portion of a 
corallum. Except in the wall and near the inner ends of some 
septa synaptieula appear to he absent. 
Columella absent. 
Locality: Island of St. Bartholomew, West Indies, P. T. 
Cleve , Collector. 
Geologic horizon : Oligocene, "Limestone of St. Bartholo- 
mew . " 
Types : University of Upsala. 
