CATALOGUE OF MINERALS. 75 



A boulder of " Verd Antique," near 24th Street and Union 



Square. 

 Selenite, in crystals in a Gneiss boulder, Harlem Common. 



Corker's Hook. 



FOSSILS FOUND ON THE ISLAND OF NEW YORK. 



Delthyris, Orthis, Atrypa and other fossils found in Delthyris 

 Shale. In some of these boulders all the Carbonate of Lime 

 has gone, leaving the impressions of the shells in a porous 

 Sandstone. 



Madreporites, Cyathophyllum, &c, &c, were found by Dr. Alex. 

 Anderson at Corlaer's Hook. The late M. Paff had in his 

 possession a large boulder from Corlaer's Hook, which con- 

 tained Coral and other fossil, which made when polished 

 beautiful specimens. 



The cellular part of a large bone, probably of the Mastodon, was 

 found in digging the cellar of J. M. Bradhurst's house, about 

 ten feet below the present surface, in Broadway near Franklin 

 Street. 



CATALOGUE OF MINERALS FOUND IN SECTION OF THE PALISADES, 

 PLATE II. 



In the Serpentine of Hoboken, are found Marmolite, Nemalite, 

 Guihofite, Conglomerate of pebbles, with a calcareous cement, 

 Pulverulent Carbonate Magnesia, Chromate of Iron, Oxide of 

 Iron, Native or Hydrate of Magnesia. 



In the Trap or Greenstone, Calcareous Spar, Iron Pyrites, 

 Pyritous Copper, Carbonate of Lime in veins, Stibbite, Preh- 

 nite, Datholite, Thomsonite, Mesotype, Iridescent Datholite, 

 Rhombic crystals of Carbonate Lime, with faces resembling 



