Pteropoda. 



Conulariu Trentonensis, Hall. 



Gasteropoda. 



Bellerophon bilobatus, Sowerby. 



" ' sulcatinus, Emmons. 

 Biicania bidorsata, Hall. 

 Cyclonema Montrealense, Billings. 

 Ecculiornphalus Trentonensis, Com- i. 

 Murchisonia bellicincta, Hall. 



" gracilis, Hall. 



Milleri, Hall. 

 Ophileta Ottawaensis, Billings. 

 Pleurotomaria Daphne, Billings. 

 Subulites Richardsoni, Billings. 



" suV)fusiformis, Billings. 



Trochonenia umbilicatuna, Hall. 



Cephalopoda. 



Endoceras proteiforrae, Hall. 

 0-thoceras araj)licanieratum, Hall. 

 " Ottawaense, Billings. 



Python, Billings, 

 vulgatum, Billings. 

 " Xiphias, Billings. 



Annelida. 



Conchicholites flexuosus. Hall. 

 Serpulites dissolntus, Billings. 



Crustacea. 



Asaphus megistos, Locke. 



" platycephalus, Stokes. 

 Bronteus lunatus, Billings. 

 Calymene senaria, Conrad. 

 Cheirurus pleurexanthemus. Green. 

 Dalmanites Achates, Billings. 

 " Bebryx, Billings. 



" callicephalus, Green. 



Encrinurus vigilans. Hall. 

 Harpes Dentoni, Billings. 



** Uttawaensis, Billings. 

 •Illeenus Americanus, Billings. 



«* Milleri, Billings. 





