20 
Bidlctin of Laboratories of Denison University [ voi. xi. 
nenilannm puts the top of this section a little below the summit 
at Deer Creek P. O. 
COLUMBUS. 
Both divisions of the Ohio Devonian are found here, but 
the Delaware beds are represented by shales only. The fauna 
which is given below was collected entirely from beneath the 
bone-bed. 
Spongia. Receptaculites devonicus. Whit., Stromato- 
pora sp. 
AntJwzoa. Aulacophyllum sulcatum. D’Or., Cladopora 
sp., Cyathophyllum corniculum., Cyathophyllum halli., Cya- 
thophyllum robustum. H., Cystiphyllum americanum. E. &H., 
Cystiphyllum ohioense. Nich., Eridophyllum verneuilanum. E. 
& H., Eavosites gothlandicus. Lam., P'avosites hemisphericus. 
Troost. , Eavosites turbinatus. Bill , Stylastrea anna. Whit., 
Zaphrentis compressa. Edw. , Zaphrentis cornicula. Leseur., 
Zaphrentis prolifica. Bill. 
^^^^Crinoidea. Dolatocrinus liratus. H., Megistocrinus spin- . 
ulosis. Lyon. 
Blastoidea. Codaster pyramidatus. Shum., Nucleocrinus 
verneuili. Troost. 
BraeJiiopoda.. Atrypa aspera. Schloth., Atrypa reticu- 
laris. Linn., Chonetes mucronatus. M&H., Chonetes sp. nov. , 
Cyrtina hamiltonensis. PL, Leptaena rhomboidalis. Wilck. , 
Pentamerella arata. Con., Productella spinulicosta. Pi., Rhipi- 
domella livia. Bill., Rhynchonella, Carolina. PP., Rhynchonella 
tethys. Bill., Schizophoria propinqua. PP., Spirifera acuminata. 
Con., Spirifera fimbriata. Mor. , Spirifera gregaria. Clapp., 
Spirifera maia. Bill, Spirifera manni. H., Orthotetes chemun- 
gensis. Con., Stropheodonta hernispherica. PP., Stropheodonta 
inequiradiata (?) PI., Stropheodonta perplana. Con. 
LamellibrancJdata. Conocardium cuneus. Con., Paracy- 
clas elliptica. PP., Paracyclas lirata. Con., Pterinea pinguis. PP., 
Sanguinolites (?) sanduskyensis (?) M. 
Gastropoda. Callonema lichas. H., Euomphalus decewi. 
Bill, Loxonema pexata. PP., Platyceras dumosum. Con., 
Platyceras multispinosum. M., Platyceras nodosum, Con. 
