The ©xoihsca i 3 usually built up of ©or® or less horisont&X platforms, 
which whop closely applied m® above another giv® rise to a compact , 
or ©van a solid ©xothoca; if th© platforms are separated, th© inter- 
vening spaces contain vehicular dissepiments* In soma instances ih© 
©xothecal surface is forme# by thin-walled vesicles* The septal tra- 
becula© ar© directed upwardly at a low angle, and have their courses 
indicated fey rather small and crowded granulations* The inner septal 
edge© or trabecula® from the edges fuse to form a false columella* 
The septa usually are imperforate; however, in seme instance® perfo- 
rations occur between the trabecula© near -'the columella, but never 
so abundantly as in Orbleella annularis . 
bocal it.i'Og s Recent specimens in the United States National Mu- 
seum: Osprey, Fla* , T. Way land Vaughan; southern Florida, S, ?• Walker 5 
Caesars Creel:, Fla*, $#w. palmer; Cedar Keys, Fla. Lieut. F. F. Moser, 
U*S.N.J Beefs near Miami, Fla*, J. 21* Benedict* 
Fossil : Shell Creek, and Calooaahatchi® River, Fla* 
Geologic horizon s Pliocene* 
Remarks: The Madrepora stellulata of Ellis &nd Solandsr is proba- 
bly this species* if the tertiary septa wars represented as fusing to 
the aides of the secondaries I should feel sure of it. 
