Astrocoenia incrust&ns 
4 
The pali are attached to the eight larger septa* 
Height of eorallum l/iO inch (=* 2,5 mm*)* Breadth of 
calice 1/20 inch (« 1.25 mm.). 
hoc . In the limestone of St* Bartholomew’ s . w 
Remarks ; The following notes are based on the type speci- 
men. It is a small thin fragment, 17.5 mm* long, 8 mm. wide, and 
4 mra* thick. 
The calices are moderately deep, polygonal, quite often 
elongated, the smaller ones measure .9 mm. in diameter, an 
elongated one is 1,2 ram* wide and 2 mm. long. The walls are 
thin, about .2 ram. thick; however, the upper edges of the septa 
are flattened and somewhat expanded# Ho mural styles. 
Septa 10 in number, equal in thickness at the wall, thicker 
than the spaces between; 8 extend to the columella, the laminae 
thinner between the portions surrounding the columella and the 
outer ends. The other 8 septa are short. The margins are fine- 
ly dentate. Distinct pali absent. Apparently dissepiments 
are present 
