C. B. Stauffer — The Minnesota Devonian. 407 



Polyp or a sp. 



Seinicoscinimn rhonibieum Ilrieli ? 



Taeniopora sp. 



Atkyris coloradoensis Girty. 



Athyris fultoneusis (Swallow). 



Atrypa liistryx Hall. 



Atrypa reticularis (Linnaeus). 



Atrypa spinosa Hall. 



Camarotoecliia sp. 



Chonetes manitobensis AYhiteaves. 



Chonetes seitulus Hall. 



Cranama iowaensis (Calvin) . 



Cyrtina liamiltonensis Hall. 



Gypidula comis (Owen). 



Gypidula lasviuscula Hall?. 



Leptaena rliomboidalis ("Wilckens) ?. 



Martinia sp. 



Xucleospira sp. 



Pentamerella multicosta Cleland?. 



Productella subalata Hall. 



Ketieularia finibriata (Conrad). 



Schizophoria striatula (ScMotlieini). 



Schuehertella enernungensis aretistriata (Hall). 



Spirifer asper Hall. 



Spirifer birnesialis Hall. 



Spirifer euryteines Owen. 



Spirifer iowaensis Owen?. 



Spirifer orestes Hall and TYhitfield. 



Spirifer pinonensis Meek?. 



Spirifer sp. 



Stroplieodonta arcuata Hall. 



Stroplieodonta demissa (Conrad). 



Stroplieodonta halli musculosa Cleland?. 



Stroplieodonta perplana (Conrad). 



Stroplieodonta variabilis Calvin?. 



Stroplieodonta sp. 



Tropidoleptus occidens Hall. 



Conoeardium sp. 



Xucnlites sp. 



Xyassa parva AYalcott. 



Palaeoneilo sp. 



Paracyclas sp. 



Bellerophon perplexa Waleott. 



Belleroplion sp. 



Coleolus sp. 



Cyclonema sp. 



Eunemia sp. 



