416 GEOLOGY OF OHIO. 
CEPHALOPODS OR CHAMBERED SHELLS. 
Cyrtoceras—undetermined sp. 
Orthoceras J amesit oy. P eS es ce aa A aa pea nea.) sa a H. and W 
Orthoceras—undetermined sp. 
ARTICULATES. 
TRILOBITES. 
Calymene—undetermined sp. 
Tllenus Daytonensis......... Saleen cles was su cs ase ciante eee pacian ee ee eels H. and W. 
Illaenus—undetermined sp. 
Proetus—undetermined sp. 
FOSSILS OF THE NIAGARA GROUP. 
GRAPTOLITES. 
Tin OCatliscbe lla eee eGR OU Neti ONL r as NCES Be a ements NERO H. and W. 
FORAMINIFERA. 
Receptaculitessiniundibwhitormister seers sarees oe aeeeeen cece eeeeeeeionee Hall. 
OG QOHIOOMBIS eee tee ee coe Oi ele ch tales SVS ere tee UE Ne pr H. and W. 
SPONGES. 
Astylospongia—undetermined sp. 
CORALS AND BRYOZOANS. 
ASCLOCETIUMIEV ONUSDUMM Ee eee oe ayers ee IE a te re ee nave ree ae Ped eT 
Chonophyllum—undetermined sp. 
Cladoporapreticullata ty sesenteseiseere tte ece ae senteielecisee ecclesiastical le 
Havosites ;Gothlandicas. asec aoe sek ay Sellers is iki ae a ae as Non abe Ae aN TTT 
rf Niagarensis ie Pon Deke a eee yea ee cpateiiniay sal cteiciate aac eeerie ete pe Hall. 
Henestella nervatae. 2c) t Sea eon ene ee arin apenmitan i laine ey stctetet NGL Ee 
Halysites:catenularia 2022). oo eee me ee ene teeters sti iota aniere Lin. 
“s ig VAL. MACTOPOPay ss Skis ote shee a oie pee ee tederetate Whitf. 
Ptilodictya—undetermined sp. 
StrombodesiSchweigoert 2262/0. 25's oe ciae octane a elaine eter ele paraennarele EK. and H. 
6 Strat seis Ni a ST ee eer eee oe D’Orb. 
Syrincopora Dana ysis lke eve es ee ee en aie bn rane era meme ieeyeree lL, 
ss —undetermined sp. 
CRINOIDS AND CYSTIDEANS. 
AplOGy Stites ima O) Caos ce cmmelnc emcee ace ne metee cietaeseeciemmiaias(sisfeniala Hall. 
CaryOCrinUslOrnatuUsie ses nce saeco eee teee ele tate eaten eieeiee tania oie ie 
Cyathocrinus pisiformis.. 2... 3.22.6 socceseaesccaenmneeslas cana ocns wenslence Roemer. 
