442 Forty-second Report on the State Museum. 



18. Talcy slaty limestone. Lebanon Springs, Columbia. 



19. Magnesian slate. Richmond, Vermont. 



20. Granular limestone (white marble). Stevens' quarry, two miles 



southeast of Dover Plains, Dutchess. 



21. Granular limestone. Eastern base Williamstown mountain, 



Egremont, Mass. 



22-23. Granular limestone. Western base of Williamstown moun- 

 tain range, Hillsdale, Columbia. 



24. Clouded marble. East Merrit's farm, northeast, Dutchess. 



25. Talcy limestone. Northwest corner of Unionville, Dutchess. 



26. Granular limestone. Bounding the iron ore bed on the west, 



Amenia, Dutchess. 



27. Limestone. General Van Cortland's quarry, near Blue Rock, 



Cortland, Westchester. 



28. Limestone (colored by iron). Ore bed, Lewisburgh, Lewis. 



29. Impure crystalline limestone. Reamer's ore bed, Lewisburgh. 



30. Crystalline limestone (colored by iron). Lewisburgh. 



31. Crystalline limestone. Ore bed near Lewisburgh. 



32. Limestone. Near Green pond, Lafarge's farm, Harrisville, near 



the Potsdam sandstone. 



33. Slaty limestone. Lead mine, Amenia, Dutchess. 



34. Sparry limestone. 



35. Hematitic iron ore (stalactitic). Dutchess. 



36. Hematitic iron and limestone. Dutchess. 



37. Loose materials (consolidated by iron ore). Iron mine, Stock- 



bridge, Mass. 



38. Carbonate of iron. Stockbridge iron mine, Mass. 



39. Quartz rock or buhrstone. Near Washington, Mass. 



40. Specular iron ore. Lafarge's farm, near Green pond, 



Harrisville. 



41. Specular iron ore. Near Green pond, Lafarge's farm, Harris- 



ville, near the Potsdam sandstone. 



42. Peroxide of iron. Stirling mine, Jefferson. 



43. Peroxide of iron and kakoxene. Stirling mine, Jefferson. 



44. Peroxide of iron. Ore bed near Lewisburgh. 



45-46. Peroxide of iron and quartz. Iron ore bed near Lewisburgh. 

 47-48. Carbonate of iron? etc. Near ore bed, Lewisburgh. 



49. Iron pyrites, etc. Reamer's ore bed, Indian lake, Lewis. 



50. L'on pyrites. Reamer's ore bed, Indian lake. 



51. Iron pyrites. Cleveland's, Natural Bridge, Jefferson. 



52. Slate. One mile south of Montrose, Dutchess. 



53. Slate (hornblendic). Two miles east of Hillsdale, Columbia. 



