75. Petrified wood. Locality unknown.
76. Sulphate of copper (blue vitriol), with carbonate of copper, in a ferruginous sandstone. Schuyler's mines, N. J.
77. Carbonate of copper. Schuyler's mines, N. J.
78. Agate. South bank of White river, Arkansas Territory.
79. Sulphuret of lead, carbonate of copper, and yellow oxide of iron. Schuyler's mines, N. J.
80, 81, 82, and 83. Calcareous spar. Lead-mines, Missouri.
84 and 85. Sulphuret of lead, in sulphate of barytes. Lead-mines, Missouri.
86. Argentiferous lead-glance. Mine La Motte, Missouri.
87. Specular oxide of iron, with quartz. Bellevieu, Washington county, Missouri.
88. Sulphuret of zinc. Lead-mines, Missouri.