APPENDIX. 275 



Light-gray friable sandstone. 



Dark-gray mudstone (calcareo-argillaceous) with impression 



of shell. 

 Water-worn fragment of tortuously laminated calcareous 



slate. 

 Pebble of gray argillaceous limestone with calc-spar vein. 

 Bouldered piece of gray silicious limestone with Productus 



and corals. 

 Gray silicious limestone with Orthis and Productus, with 



weathered surface. 

 White crystalline limestone with Spirifer cristatus and cor- 

 als, having a weathered surface. 

 White silicious limestone with corals, EncHnibes, and shells. 

 Black silicious limestone with calcareous veins. 

 Weathered fragment of white encrinital chert with coals, 



Bryozoa (?), and Productus. 

 Black flint with whitish mottlings, splinters. 

 Red silicious limestone with a rounded, weathered surface. 



Probably from the Thousand Islands. 

 (Islands to the south-east ?) Weathered fragment of white 



limestone with Productus, Spirifer alatus, and a large fo- 



liaceous coral (Stenopora). 



Recent Shells (determined by S. P. Woodwaed, Esq., 

 F.G.S.). 



1. From the Thousand Isles. 

 Buccinum undatum, var. (cyaneum??). 



2. From Bell Sound, at about high-water mark. 

 Fusus despectus, L., var. {=F borealis, Philippi). 

 Buccinum glaciate, L. (=B. angulosum=B. polare, Beck). 

 Margarita undulata (= Grcenlandica) inside a Buccinum. 

 Buccinum scalariforme? 



Balanus crenatus, var. Scoticus, probably. 

 Fusus Kroyeri, Moller. 



