ROCKS. 



Names. 



206 Serpentine. 



207 Rensselaerite. 



208 Rensselaerite. 



209 & 210 Silvery talc. 



211 scapolite. 



212 Brown mica. 



Localities. 



Sterling mine, Antwerp, Jefferson. 

 Naturalbridge, Jefferson. 

 Edwards, St.Lawrenee. 

 Fowler, St.Lawrenee. 

 Grouverneur, St.Lawrenee. 

 Edwards, St.Lawrenee. 



213 Brown mica (in crystals). Pope's mills, St.Lawrenee. 



214 Fluor spar. 



215 Fused quartz. 



216 Quartz in chlorite. 



217 Iron ore (scoriaceous). 



218 Iron ore (compact). 



219 Iron ore (specular). 



220 Iron ore. 



221 Limestone with iron ore. 



222 Limestone (ferruginous). 



223 Crystalline limestone. 



Muscalunge lake, Jefferson. 



Hammond, St.Lawrenee. 



Brant lake, Essex? 



Lewisburgh, Lewis. 



Lewisburgh, Lewis. 



Lewisburgh, Lewis. 



Reamer's ore bed, Lewisburgh, Lewis. 



Lewisburgh ore bed, Lewis. 



Lewisburgh, Lewis. 



Lewisburgh, Lewis. 



Near Lewisburgh, Lewis. 



224 Ferruginous limestone. 



225 Impure limestone with iron ore. Lewisburgh, Lewis. 



226 & 227 Iron pyrites. Indian lake, Lewis. 



228 Ferruginous limestone. Lewisburgh, Lewis. 



229 Specular iron ore. Harrisville, Jefferson. 



230 & 231 Specular iron ore (with quartz), Edwards, St.Lawrenee. 



232 Specular iron ore (with quartz crystals). Edwards, St. Lawrence. 



233 Specdlar iron ore. Edwards, St.Lawrenee. 



234 Specular iron ore (with cacoxene). Sterling mine, St.Lawrenee. 



235 Specular iron ore. Harrisville, Jefferson. 



236 Gneiss (sienitic). Near Harrisville, Jefferson. 



237 Siliceous limestone. Harrisville, Jefferson. 



238 Iron pyrites (in trap). Naturalbridge, Jefferson. 



239 Chlorite (the silver ore). Naturalbridge, Jefferson. 



240 Serpentine. Naturalbridge, Jefferson. 



241 Serpentine (brecciated). Antwerp, Jefferson. 



17 



