1865.] NATURAL HISTORY SOCIETY. 313 



Glyptocystites Logani, Billings and var. gracilis. 



" multiporus, Billings. 



Also a specimen of a supposed new genus. 



EDRIOASTERID03. 

 Edrioaster Bigsbyi, Billings. 



BRYOZOA. 



Intricaria reticulata, Hall. 



Ptilodictya acuta, " 



Two new species, one probably of a new genus. 



BRACHIOPODA. 



Lingula quadrata, Eichwald. 

 " riciniformis, Hall. 

 11 Progne, Billings. 

 " Phelomela, " 

 " Daphne, " 

 Discina Pelopoea, " 

 Trematis Montrealensis, Billings. 

 Lepteena sericea, Sowerby. 

 Strophomena alternata, Conrad. 

 11 deltoidea, " 



" tenuistriata, Sowerby. 



Ortbis testudinaria, Dalman. 

 " lynx, Eichwald. 

 " subquadrata, Hall. 

 " pectinella, Conrad. 

 " Eurydice, Billings. 

 Rhynchonella increbescens, Hall. 



" recurvirostra, " 



Caraerella heraiplicata, Hall. (A. circulus? young of this ?) 

 Atrypa deflecta, Hall? (New to Canada.) 



LAMELLIBRANCHIATA. 



Avicula Herraione, Billings. 

 Modiolopsis carinata, Conrad. 



" faba, " 



Ctenodonta dubia, Hall ? (Perhaps the young of Tellinomya anatini- 

 formis, Hall.) 



Ctenodonta Astartoeformis, Salter. 



GASTEROPODA. 



Holopea symmetrica, Hall. (New to Canada.) 



" Nereis, Billings. 

 Ciclonema Montrealensis, Billings. 



" Hageri, Billings. 



Subulites subfusiformis, Hall. 

 Eculiomphalus Trentonensis, Conrad. 

 Trochonema umbilicata. Hall? 

 Pleurotomaria Americana, Billings. 

 Metoptoma Trentonensis, Billings. 



PTEROPODA. 



Conularia Trentonensis, Hall. 

 Bellerophon bilobatus, Low. 



