APPENDIX. ix 



»/ 19. Porcelain clay, Norwich. 



u'20. Marly clay, Williamstown. 



^ 21. Marly clay, North Adams. 



/" 22. Marl, Buck's Farm, Stockbridge. 



V^3. Marl, Pittsfield. 



v'' 24. Marl, West Stockbridge. 



25. Marl, North Stockbridge. 



y 26. Marl, South Pittsfield. 



V 27. Marl, Sedgwick's Mills, Lee. 



V'28. Calcareous alluvium, Chicopee Falls. 



v"29. Calcareous alluvium. Water Shops, Springfield. 



V 30. Calcareous alluvium. West Springfield. 



\i 31. Siliceous marl. (Bergemehl or Mountain meal,) Spencer. [See Plate 

 20, figures 9 to 12.] 

 32. Apothemite, Newbury. 



V 33. Decomposing greenstone, Mount Holyoke. 

 v34. Yellow ochre, Athol. 



35. Yellow ochre, Monroe. 



v^ 36. Yellow ochre, Newbury. 



•, 37. Moulding sand, Foxborough. 



V 38. Moulding sand, Montague. 

 y"39. Decomposed granite, Norwich. 



40. Siliceous marl, or fossil infusoria, Barre. 



41. Fossil Infusoria, Andover. 



42. Fossil infusoria, Bridgewater. 



■ , 43. Marl, Bassett's bed, near the surface, Lee. 

 •>/ 44. Marl, 10 feet deep, Bassett's bed, Lee. 



V 45. Marl, C. Bassett's bed, Lee. 

 \i 46. Mai, Sedgwick's Mills, Lee. 

 ' 47. Marl, North Stockbridge. 



" 48. Marl, Farmington, Connecticut. 



V 49. Alluvial clay. South Palmer. 



^ 50. Alluvial clay, under Connecticut River, Springfield. 



\y 51. Decomposed granite, New Jersey. 



^^^52. Decomposed granite, (moulding sand for brass,) New Jersey. 



V 53. Moulding sand, Albany, New York. 

 ^ 54. Moulding sand, Shutesbury. 



>/55. Moulding sand, Connecticut. 

 \^ 56. Yellow ochre, Bedford. 

 '^' 57. Yellow ochre, Harwich. 



58. Moulding sand, New York. 

 V 59. Marly clay. South Lee. 

 . 60. Alluvial clay, Plymouth. 



61. Chromate of potassa from the Chester chromate of Iron. 

 • 62. Chromate of lead from the Chester chromate of Iron. 



63. Bichromate of lead from the Chester chromate of iron. 

 ■y 64. Geate of alumina from soils. 

 2 



