New Species of Paljeozoic Fossils. 197 



X Atrypa nodostriata Hall. 



/ Atrypa marginalis Dahnan. 



X Rhynchonella Saffordii Hall. , , 



X Rhynclionella XeaaesseensiB Mmme j'. y/r^c/C^arf^* 



X Rhynchonella ascinus Hall. 



/ Pentamerus galeatus* Dahnan. 



X Pentamerus oblongus Sowerhy. 



X Pontam ems (Anastrophia) i« 4}crplicatii s Hall, rn^f^'^''^^ ^'^^ 



X Pentamerus Knappi H. (& W. 



X Pentamerus (Gypidula) nysius var. tenuicosta H. <& W. 



X Pentamerus nysius "var. crassicostata H. c& W. 



X Pentamerus Littoni Hall. 



/ Orthonota curta Conrad. 



/ Platyostoma Niagarensis Hall = P. trigonostoma Meek. 



)< Lituites Marshii Hall. 



I Illsenus Barriensis Murchison. 



y Cyclonema cancellata Hall. 



Devonian Species. 



Crinoidea, 



Actinocrinus Cassedayi Lyon. 



Actinocrinus eucharis Hall. 



Actinocrinus Kentuckensis Shumard. 



Actinocrinus pentaspina Lyon. 



Actinocrinus sp. undeter. 



Megistocrinus abnormis Lyon. 



Megistocrinus depressus Hall. 



Megistocrinus Knappii Lyon. 



Megistocrinus Ontario Lyon, 

 r Megistocrinus rugosus Lyon <& Casseday. 



Megistocrinus spinulosus Hall. 



Megistocrinus (Hadrocrinus) plenissimus Lyon. 



Dolatocrinus (Cacabocrinus) glyptus Hall. 



Dolatocrinus (Cacabocrinus) lacus Lyon. 

 ^' Dolatocrinus (Cacabocrinus) sculptilis Troost. 



Dolatocrinus (Cacabocrinus) n. sp. ? 



Cyathocrinus Iseviculus Lyon. 

 j Cyathocrinus sculptilis Lyon. 



Cyathocrinus Wortheni Lyon. 



* On the authority of Dr. Knapp. 



