6 



POLYZOA. 



Piasopora affinis, Foord. 



" oculata, Foord, 



" Selwyni, Nicholson. 

 Ptilodictya t'alcifornus. Nicholson. 



" macnlata, Ulrich. 



" pavonia, d'Orbigny. 



Eetepora Trentonensis, Hall. 

 S|)atiopora aieolata, Foord. 

 Stiotopora acuta, Hall. 



•' paupera, Ulrich. 

 Tetradiumi Peachii, var. Caimdense, FoorcL 



Bkachiopoda. ' 



Camerella hemiplicata, Hall. 



** bisulcata, Emmons, 

 Discina Circe, Billings. 

 Leptsena sericea, Sowerby. 

 Lingula Philomela, Billings, 

 Orthis Ij)higenia, Billings, 

 " Merope, Billings. 

 *' subquadrata, Hall. 



" testiidinaria, Dalman, ' 



" tricenaria, Conrad. 

 Platystrophia biforata, Schlotheim, var. lynx, Eichwall. 

 Pholidops subtruncatns, Hall. 

 Rhynchonellaincrebescens, Hall. 

 " i-ecurvirostra. Hall. 



Orthisina Verneuili, Eichwald. 

 Streptorhynchus filitextum, Hall. 



" planambonnm, Hall. 



Strophomena alternata, Conrad. 

 ** deltoidea, Conrad. 



" re^ta, Conrad. 



" Thalia, Billings. 



Trematis Ottawaensis, Billings. 



Lamellibrancbiata. 



Ambonychia amygdalina, Billings. 

 Ctenodonta gibbosa, Hall. 



" levata, Hall. 



" nasuta, Hall. 



Modiolopsis carinata, Billings. 



" Gesneri, Billings. 



Pterinea Trentonensis, Conrad. 



