44 BULI.ETIN 1 2 



Heliophyllum latericrescens Hall, 12, 



Falls of the Ohio. 



Heliophyllum nettlerothi Hall, 12, 



Falls of the Ohio. 



Heliophyllum sordidum Hall, 12, 



Falls of the Ohio. 



*Heliopliyllum parvum Hall, 12, 



Falls of the Ohio. 



^Heliophyllum scyphulus Hall, 12, 

 Charlestown. 



*Heliophyllum tenuimurale Hall, 12, 



Falls of the Ohio. 



Hydrophyllum orbignyi, 8, 



Madison. 



Intrepora preteolata Hall, 



Falls of the Ohio (Hall), 

 lyichenalia alternata Hall, 



Falls of the Ohio. 



lyichenalia (Odontotrypa) alveata Hall, 



Falls of the Ohio (Hall.). 



Lichenalia bistriata Hall, 



Falls of the Ohio. 



I^ichenalia (Selenopora) circindta Hall, 



Falls of the Ohio (Hall). 



lyichenalia (Selenopora) complexa Hall, 



Falls of the Ohio (Hall). 



lyichenalia conulata Hall, 



Falls of the Ohio (Hall), 



L^ichenalia geometrica Hall, 



Fallsof the Ohio (Hall). 



lyichenalia ovata Hall, 



Falls of the Ohio (Jas. Hall). 



lyichenalia (Pileotrypa) pyrisormis Hall, 



Falls of the Ohio (Hall). 



lyichenalia subcava Hall, 



Fallsof the Ohio (Hall). 



