PLATE 38. 
MICHELINIA PLANA, Nov. Spec. Devonian. 
1. Upper surface of a corallum from the encrinal limestone clay of the 
Upper Devonian, near Louisville. Collection of the author. 
2. Under surface of a corallum, with epitheca partially preserved, from 
the yellow clay of the Upper Devonian, near Crab Orchard, Ky. 
Collection of the author. 
MICHELINIA FAVOSITOIDEA. Devonian. 
3. Upper surface of a fragment from the red clay of the Middle Devo- 
nian, near Louisville. Collection of the author. 
