59 



''Orthis Iphigenia, Billings. 

 " Merope, Billings. 

 " sabquadrata, Hall. 

 " testucUnaria, Dalnian. 

 " tricenavia, Conrad. 

 Platystrophia bifovata, Sclilotheim, var. lynx, Eicliwal. 

 Rliynchonella increbescens, HaH. 

 " i-ecurvirostra, Hall. 



Orthisina Verneuili, Eichwakl. 

 Sti'eptorbynchus filitextus, Hall. 



'•' planuQibonns, , Hall. 



- Strophomena alternata, Conrad. 

 " deltoidefi, Conrad. 



" recta, Conrad. 



Thalia, Billings. 

 Trematis Ottawaensis, Billings. 



LA5IELLIBRA.NCHIATA. 



Arnbonychia amygdalina, Billings. 

 Ctenodonta gibbosa, Hall. 



" levata, Hall. 



" nasuta, Hall. 



Modiolopsis carinata, Billings. 



" Gesneri, Billings. 



Pterinea Trentonensis, ( 'onrad. 

 Pteropoda. 



Conularia Trentonensi.s, Hall. 

 Gastropoda. 



Belleropbon bilobatus, Sowerby. 



" sulcatinus, Emmons. 



Cyclonema Montrealense, Billings. 

 Ecculiorapbalus Trentonensis, Coni'ad. 

 Murohisonia bellicincta, Hall. 



" gracilis, Hall. 



MiUeri, HaW. 



Ophileta Ottawaensis, Billings. 



Pleiu'otomaria Daphne, Billings. 



Subulites Richardsoni, Billings. 



" subfusiformis, Billings. 



Trochonema nmbilicatum, Hall. 



Cephalopoda. 



Endoceras proteiforme, Hall. 

 Orthoceras ara])licauieratum, Hall. 



" Ottawaense, Billings. 



" Python, Billings. 



" vulgatum, Billings. 



"''^ Xiphias, Billings. 



