xxxvi APPENDIX. 



8. Reddisli granular quartz, Cheshire. 



V 9. Reddish granular quartz, Pittsfield. 

 "10. Reddish granular quartz, Pittsfield. 



"r 11. Dark gray granular quartz, Windsor. 

 — 12. Arenaceous disintegrating quartz, Cheshire. 

 ■ — 13. Arenaceous disintegrating quartz, Cheshire. 



— 14. Granular striped quartz, Conway. 



~15. Hyaline dark smoky quartz, Amherst. 

 — 16. Smoky quartz in argillaceous slate, Guilford, Vermont. 



~~17. Light smoky quartz in argillaceous slate. Sterling. 



-18. Reddish compact quartz, Leverett. 



— 19. Reddish compact quartz, Prescott. 



""'20. Bluish compact c[uai'tz, Amherst. 

 -«► 21. Greenish quartz, Cumberland, Rhode Island. 



— 22. Porous quartz, (buhrstone,) Washington. 



— 23. Arenaceous quartz with actinolite, associated with gneiss, Pelham. 

 ~ 24. Gray fine granular quartz, Cumberland, Rhode Island. 



— 25. Gray fine granular quartz, Framingham. 



~- 26. Gray hyaline quartz Avith feldspar, Pelham. 



27. Light gray granular quartz with small scales of mica, Lee. 



— 28. Light gray granular quartz, stratified, (buhrstone locality,) Pittsfield. 

 ""•29. Gray granular quartz with mica and contorted folia, Lee. 



—30. Gray hyaline quartz with mica, associated with gneiss, New Salem. 



31. Brecciated parti-colored quartz with mica, Amherst. 

 —32. Rhomboidal quartz with mica, Northfield. 

 -.33. Compact gray cjuartz with mica, Bernardston. 

 *" 34. Compact gray quartz with mica, Bernardston. 



— 35. Compact gray quartz with mica, Bernardston. 



— 36. Quartz and talc, Webster. 

 <~-37. Quartz and talc, Hawley. 



— 38. Quartz and talc, Hawley. 



39. Quartz with actinolite connected with gneiss, Pelham. 



40. Quartz with hornblende, Hawley. 



~ 41. Argillaceous slate with quartz veins. South Hadley Canal. 



~42. Granular quartz and mica connected with gneiss, Windsor. 



~43. Granular quartz and mica connected with gneiss, Webster. 



""44. Granular quartz and mica associated with gneiss, Mendon. 



""45. Granular quartz and mica, Webster. 



— 46. Granular quartz under the buhrstone, Pittsfield. 



"*47. Granular quartz, Dalton. 



~"48. Quartz mica and feldspar passing into gneiss, Bernardston. 



**• 49. Quartz and mica, Framingham. 



— 50. Quartz and mica, Cumberland, Rhode Island. 



-~51. Quartz and mica passing into mica slate, Zoar Bridge. 



— 52. Arenaceous quai'tz and mica, Plainfield. 

 "~ 53. Quartz and mica, vesicular, Chesterfield. 

 -' 54. Quartz and mica, Conway. 



