98 



BULLETIN OF THE LABORATORIES 

 OHIO. 



NAME. 



Phillipsia meiamecensis 



rhillipsia shumardi 



Phillipsia prsecursor 



Pleurodictyum problematicum. 



Orbiculoidea sp 



Crania hamiltonice 



Productus nebrascensis 



Productus semireticulatus 



Productus arcuatus 



Productus burlingtonensis 



Productus shumardianus 



Productus concentricus 



Productus lachrymosus 



Productus speciosus 



Productus gracilis 



Chonetes logani 



Chonetes illinoisensis 



Chonetes scitula 



Chonetes tumidus 



Chonetes pulchella 



Hemipronites crenislria 



Orthis vanuxetiii. var 



Rhynchonella contracta 



Rhynchonella subcuneata? 



Rhynchonella sageriana 



Rhynchonella sappho 



Rhynchonella marshallensis__ 



Atrypa reticularis 



Syringothyris cuspidatus 



Spirifer marionensis 



Spirifer striatiformis 



Spirifer biplicatus 



Spirifer winchelli 



Spirifer varicosta ? 



opirifer hirtus 



Cyrtina sp_- — 



Spiriferina solidirostris 



Spiriferina depressa 



Cryptonella eudora 



Centronella julia 



Athyris ohioensis 



Athyris lamellosa 



Aviculopecten pereIongatus_. 

 Aviculopecten grandvillensis _ 

 Aviculopecten sp. (p. 51.) ._- 



Aviculopecten cooperi 



Aviculopecten oweni ? 



Crenipecten newarkensis 



Crenijiecten subcardiformis-.. 



Crenipecten senilis 



Lyriopecten ? cancellatus 



Limatulina ? ohioensis 



Streblopteria media 



I II III 

 o 

 o 



Streblopteria squama 1 o 



ILL. 



elsewh're. 

 Missouri. 



Europe. 



Iowa. 



Michigan. 

 New York. 



Michigan. 



Michigan. 



CO 



New York 



New York. 

 Michigan. 



rj 



00 

 Missouri. 



New York. 

 Michigan. 



REMARKS. 



Archimedes. 

 Chouteau, 

 sp. n. 

 Devonian. 



Devonian. 

 Coal-meas. sp. 



Sub-carb. 

 Devonian. 



Devonian affinity. 



Devonian. 



Devonian. 

 Devonian. 



sp. n. 



;p. n. 



sp. n. 

 sp. n. 



sp. n. 



sp. n. 

 sp. n. 

 sp. n. 



sp. n. 

 sp. n. 

 .sp. n, 



