T* spencer! 
n # 
Trochosmilia spencer! sp * nov* 
PI* fig* 
Cor&llum compressed conical, attached by a small, pointed 
"base* The best specimen, which is taken as the type, has a greater 
diameter at the calice of 35*5 mm., lesser diameter 19 mm., height 
23 mm. The specimen is somewhat crushed, giving- the calice a 
decidedly irregular outline* 
Wall rather thick, very compact* Costae distinct, around 
the calice subequal, as the base is approached every alternate 
one becomes more indistinct, ultimately disappearing. At the 
margin of the calice they are decidedly crowded, less so inferiorly. 
Edges obtuse, with transversely compressed granulations. 
Septa thicker at the wall, very much crowded, numerous, 
about 96, or five complete cycles. The members of the first, 
second and third cycles appear to be continued to the axial 
space. The septa within are much broken and their courses can 
