PALEONTOLOGY. 



1. POTSDAM SANDSTONE. 



PLANTS. 



Name. Locality. In the 



1 1 Scolithus linearis (1 specimen). Cabinet. 



BRACHIOPODA. 



2 1 Lingula prima(I), Keeseville, Essex county. Cabinet. 



3 2 Lingula antiqua(2). Hammond, St.Lawrence. Cabinet. 



2. CALCIFEROUS SANDSTONE. 



PLANTS. 



4 1 Pal^eophycus tubularis(4). Canajoharie and Fortplain. Cabinet. 



5 2 Paljeophycus irregularis. Near Keeseville. - - - 



6 1 Buthotrephis antiquata(I). Chazy, Clinton. --- Cabinet. 



BRACHIOPODA. 



7 3 Lingula acuminata (in a boulder). 



GASTEROPODA. 



8 1 Euomfhalus uniangulatus (plaster cast). - - - - Cabinet. 



9 1 Maclurea sordida(2). Mobawk valley. - - - Cabinet. 



10 2 Maclurea matutina. Canajobarie, Montgomery. 



11 1 Ophileta levata(2). Near Fortplain. - - - Cabinet. 



12 2 Ophileta complanata(I). Mobawk valley. - - - Cabinet. 



13 1 Turbo dilucula. Middleville and Littlefalls. 



14 2 Turbo? obscura(I). Fortplain, Montgomery. - Cabinet. 



15 1 Pleurotomaria? turgida. Saratoga county. 



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