State Museum of Natural History. 27 



Number. 



16:3 Arsenical pyrites Caldbeck Fells, Cumberland, Eng. 



104 Arsenopyrite Edenville, Orange Co., N. Y. 



Gebhard Collection. 



165 Arsenopyrite and quartz California. 



166 Scorodite 



Brazilian Collection. 



167 Aikinite 



Van Rensselaer Collection. 



168 Tetrahedrite South America. 



Presented by Seflor Asta. 



169 Tetrahedrite, Galenite and Chalcopyrite 



170 Pyrargyrite Freiberg, Saxony. 



172 Halite, rock salt Cheshire, Eng. 



173 Halite, rock salt Cheshire, Eng. 



174 Halite, rock salt Cheshire, Eng. 



175 Halite, rock salt Cheshire, Eng. 



176 Halite, rock salt Cheshire, Eng. 



177 Silver ore Siberia. 



178 Silver ore Blue Ophir Ledge, Cal. 



Simms Collection. 



179 Silver ore California. 



180 Fluorite 



Gebhard Collection. 



181 Fluorite and Galena 



Brazilian Collection. 



182 Fluorite 



183 Fluorite (green) . . Cumberland, Eng. 



184 Fluorite Derbyshire, Eng. 



185 Fluorite and Barite. ; 



Van Eensselaer Collection. 



186 Fluorite .... 



187 Fluorite 



Gebhard Collection. 



188 Fluorite . 



Gebhard Collection. 



189 Fluorite 



Gebhard Collection. 



190 Fluorite (polished) Matlock, Eng. 



191 Fluorite 



192 Fluorite.. 



Gebhard Collection. 



193 Fluorite Muskelonge lake, Jefferson Co., N. Y. 



Pickett Collection. 



194 Fluorite and pearl spar Rochester, N. Y. 



195 Fluorite (purple) 



Van Eensselaer Collection. 



196 Fluorite on Blende Matlock, Eng. 



197 Fluorite (octahedral) 



Van Rensselaer Collection. 



198 Fluorite (veined) Derbyshire, Eng. 



199 Yttrocerite in Calcite Amity; Orange Co. 



