PLATE 26. 
FavosiTEs Eximtus, Nov. Spec. Devonian. 
1. Upper surface of a corallum from the dark red encrinal limestone clay 
of the Upper Devonian, near Louisville. Collection of the author. 
FAvosItEs FuUSTIFORMIS, Nov. Spec. Devonian. 
2. Lateral view of a corallum, showing the tubes of some corallets in 
section and the epithecal secretion on the outside of walls where 
new departures of growth occur; from the Lower Devonian, Falls 
of the Ohio. Collection of the author. 
3. Lateral view of a corallum, with base incrusting a fragment of a 
frond of Cladopora expatiata; from the horizon and locality of 
example 2. Collection of the author. 
