APPENDIX. It 



- 12. Epidotic greenstone, Waltliam. 



13. Common greenstone, Nabant. 



14. Greenstone from vein in clay slate, Cliarlestown. 



15. Greenstone passing into sienite, Charlestown. 



"16. Greenstone passing into sienite, (boulder,) West Springfield. 



17. Greenstone passing into sienite, HoUiston. 



- 18. Greenstone passing into sienite, Dover. 



19. Greenstone passing into sienite, Stoiighton. 



"20. Greenstone passing Into sienite, Easton. 



21. Greenstone, the feldspar in bronze-colored folia. West Springfield. 



22. Greenstone with bronze-colored feldspar, J\Iount Holyoke. 



23. Greenstone, Ilingham. 



24. Greenstone, Newton. 



"25. Greenstone passing into sienite. Blue Hills. 



'26. Greenstone, Quiney. 



-27. Greenstone from a vein in gneiss, Rutland. 



28. Greenstone, Nahant. 



"29. Greenstone from a vein in gneiss, Northfield. 

 -30. Columnar prism, tetragonal prism. Mount Holyoke. 



31. Columnar prism, pentagonal prism. Mount Holyoke. 

 -32. Columnar prism, trigonal jirism. Mount Holyoke. 

 •33. Curved exfoliated mass from a greenstone column, i\Iount Holyoke. 



• 34. Comjiact greenstone, the ingredients distinct, Nahant. 



• 3^. Compact greenstone, Blue Hills. 



-36. Compact greenstone, (boulder,) Framingham. 



37. Greenstone from a vein in granite, Foxborougb. 



38. Chiefly greenish compact feldspar, Salisbury. 

 "39. Chiefly greenish compact feldspar, Rowley. 



40. Compact feldspar, Dedham. 



-41. Comj^act feldspar, Dedham. 



42. Compact feldspar, Dedham. 



43. Compact feldspar, Dedham. 



■44. Indurated clay. Titan's Pier, South Hadley. 

 -45. Greenstone with red calclte, Deerfield. 

 -46. Hornblende augite and feldspar, Nahant. 

 ' 47. Hornblende augite and feldspar, Nahant. 

 ■48. Hornblende augite and feldspar, Nahant. 



49. Hornblende augite and feldspar, Nahant. 



50. Porphyrltic greenstone. Cape Ann. 

 •51. Porphyrltic greenstone, Easton. 



52. Porphyrltic greenstone, Salem. 



53. Porphyrltic greenstone, imbedded crystals of Karinthin, Ipswich. 



54. Reddish porphyrltic greenstone. Turner's Falls. 

 -55. Porphyrltic greenstone, base reddish, Deerfield. 



*56. Greenstone porphyrltic and epidotic, with Iron pyrites, Topsfield. 

 "57. Porphyrltic greenstone, Turner's Falls. 



• 58. Porphyrltic greenstone, Deerfield. 



