31S- 
Porites anguillens&s sp* nov. 
PI. figs. 
Corallum composed of thin laminae, more or less undulate, 
resting one on another, but still separate. The underside 
epithecate to the edge, the epitheca minutely, regularly „and 
concentrically striate. The type specimen consists of two 
such laminae, both broken. The greatest thickness of the two 
is about 15 mm*, the greatest width 58 mm. One lamina is 5 mm* 
in its thicker portion, with a thin edge. 
The calices are shallow, subcircular, 1.7 to 2.3 mm. in 
diameter, separated by flat coenenehymal walls .8 to 1 mm. 
across. The coenenchyma is perforate, but rather compact and 
costate • 
Septa, rather thick, normal number 12, with solitary 
directive, four lateral pairs, and with the laterals on the 
sides of the principal directive loosely fused to it or continued 
to the columella tangle. Pali, usually six in number, before 
