61 



Ortliodesma parallelum, Hall. 

 Ptei'lnea insueta, Conrad. 



" Trentonensis, Conrad. 



Pteeopoda. 



Conularia Hudsonia, Emmons. 

 " Trentonensis, Hall. 



Gastropoda. 



Bellerophon bilobatus, Sowerby. 

 Murchisonia Milleri, Hall. 

 Pleui'otomaiia subconica, Hall. 

 Trocholites ammoiiiiis, Conrad. 



Cephalopoda. 



Endoctras proteiforme, Hall. 



" " var. tenuistriatum, HalL 



Ortboceras amplicameratum, Hall. 



" coralliferuQi, Hall. 



" lamellosum, Hall. 



Annelida. 



Serpulites dibsoliitus, Billings. 



Crustacea. 



Asaplius Canadensis, Chapman. 

 " platycephalus, Stokes. 



Calymene senaria, Conrad. 

 Cheirurus pleiirexanthemus, Green. 

 Triarthrus Becki, Green. 

 " glaber, Billings. 



" spinosiis, Billings. 



Leperditia cylindiica, Hall. 



:F'OST-a?:BI^TI7LI^■Y". 



LEDA CLAY AND SAXICA.VA SANI> 



Plant.e. 



Fucus sp. 



Populus balsamifera, Limifeus. 



Potamogeton sp. 



Potentilla Canadensis, Linnajus. 



Lamellibranchiata. 



Macoma fragilis, Fabricius. 

 Mytilus edulis, Linnaeus. 

 Portlandia arctica, Gray. 

 Saxicava rugosa, Linnaeus. 



