PLATE 76. 
RoMINGERIA UMBELLIFERA. Devonian. 
1. Rear lateral view of verticillate umbels, showing spinulous inner- 
walls, from the Lower Devonian, Falls of the Ohio. Collection 
of the author. 
ROMINGERIA INCRUSTANS, Nov. Spec. Devonian. 
2. Corallum incrusting Zaphrentis gregaria, from the Middle Devonian, 
Falls of the Ohio. Collection of Mr. Gaines. 
AULOPORA EDITHANA. Devonian. 
3. Corallum attached to Favosites hemisphericus, from the Middle 
Devonian, Falls of the Ohio. Collection of the author. 
SYRINGOPORA HISINGERI. Devonian. 
4, Lateral view (inverted) of example figured in Plate 68, Fig. 1. 
SyRINGOPORA STRAMINEA, Nov. Spec. Devonian. 
5. Upper surface of corallum, from the Lower Devonian rocks, Falls of 
the Ohio. Collection of the author. 
CLADOPORA DESQqUAMATA, Noy. Spec. Devonian. 
6. Corallum partly imbedded in matrix, from the Lower Devonian 
rocks, Falls of the Ohio. Collection of the author. - 
