Ripley Island Area of Southern Indiana. 



341 



otherwise recorded, the crinoids and cjstids are from Big 

 Creek : 



Beceptaculites 



B. 



Ceramopora imbricata. 0,N,B. 

 Mesotrypa milleri, 0. 

 Idiotrypa parasitica, 0. 

 Callopora elegantula, 0. 

 Pachydictya crassa, O. 

 Dimcanella borealis, 0,N. 

 Favosites forbesi, 0,B. 

 Favosites cristatus, B. 

 Striatopora flexuosa, 0. 

 Striatopora sessile on crinoid stems. 

 Thecia major, 0. 



Plasmopora , 0. 



Allocystites hammelli. Bikers Bidge. 

 Caryocrinus ellipticus, 0. 

 Caryocrinus indianensis. 

 Caryocrinus hammelli. 

 Caryocrinus ornatus. 

 Goinphocystites indianensis. 

 Holocystites abnorinis, Madison ? 



adipatus. 



affinis. 



am plus, ' Big Creek ? 



asper. 



brauni. 



benedicti. 



bac cuius. 



canneus. 



colletti. 



commodus. 



cylindricus. 



dyeri, Osgood. 



elegans. 



faberi. 



globosus. 



gorbyi. 



gyrinus. 



hammelli. 



indianensis. 



madisonensis. 



ornatissimus. 



ornatus. 



ovatus, Madison ? 



papulosus. 



parvulus. 



parvus. 



perlongus, 0. 



plenus. 



rotundus, 0. 



In Ohio Pen tain erus 



scitulus. 



spang] eri. 



spaeroidalis. 



sjplendens. 



subglobosus, Big Creek ? 



subovatus. 



subrotundus, 0. 



tumidus. 



turbinatus, O. 



ventricosus, 0. 



wetherbyi, 0. 



wykoffi. 

 Pisocrinus gemmiformis, 0,N,B, 



Nebraska. 

 Stephanocrinus cornetti, B, Bikers 



Bidge. 

 deformis. 

 elongatus, 0,B. 

 hammelli, O. 

 obpyramidalis. 

 osgoodensis, O. 

 quinquepartitus. 

 Orthis flabellites, O.N,B, Nebraska. 

 Blatystrophia bif orata, Nebraska. 

 Dalmanella elegantula, 0,N. 

 Bhipidomellahybrida, 0,N, Nebraska. 

 Leptaena rhomboidalis. N,B. 

 Plectambonites trans versalis, 0,N,B, 



Nebraska. 

 Bhynchotreta cuneata-americana, O. 

 Camarotoechia neglecta, N,B. 

 Camarotoechia indianensis, 0. 

 Atrypa reticularis, 0,N,B. 

 Spirifer radiatus, N,B. 

 Spirifer eudora, N. 

 Spirifer niagarensis, N,B. 

 Cyrtia exporrecta, N,B. 

 Cyrtia myrtea (meta !), N. 

 Nucleospira pisiformis, N. 

 Whitfieldella cylindrica, N. 

 Whitfieldella quadrangularis, B. 

 Atr\ T pa calvani, B. 

 Diaphorostoma niagarense, 0,N,B. 

 Orthoceras simulator, B. 

 Orthoceras amyous, 0,B. 

 Orthoceras medullare, B. 

 Calymmene nasuta, 0,B. 

 Dalmanites limulurus. 0. 

 lllaenus , 0,B. 



oblon^us occurs in the Dayton lime- 



stone, equivalent to the base of the Osgood bed. 



Laurel Fossils. 

 Unless otherwise stated, the fossils are from St. Paul. 



Amplexus 

 Favosites 

 Streptelasma 

 Striatopora 



cinctutus, Miller, 

 spongilla. Bominger. 

 spongiaxis, Bominger. 

 gorbvi, Miller. 



