1 APPENDIX. 



" 32. Gneiss passing into mica slate, Hai'dwick. 

 — - 33. Gneiss feldspar in tnberculons masses, Worcester. 

 •"-34. Junction of gneiss and mica slate, Worcester. 



35. Schistose gneiss, Worcester. 



36. Gneiss passing into mica slate, (boulder,) Colrain. 

 -^37. Gneiss passing into mica slate, Windsor. 



— 38. Gneiss passing into mica slate, Little Compton, Rhode Island. 

 -^39. Gneiss passing into mica slate, Monson. 



— 40. Gneiss, East Oxford. 

 41. Gneiss, Florida. 



-~42. Schistose gneiss passing into mica slate, with pyrope, Weston. 

 43. Schistose gneiss with pyrope, Shrewsbury. 



"" 44. Gneiss, west base of Wachusett, Princeton. 

 — -45. Gneiss, Grafton. 



"46. Gneiss, Charlton. 



•—47. Porphyritic gneiss. Harvard. 

 — 48. Talcose gneiss, Framingham. 



— 49. Talcose gneiss, Leverett. 



.50. Steatite from gneiss, Worcester. 



51. Steatite from gneiss, Worcester. 



52. Steatite from gneiss, New Sal'em. 



63. Steatite passing into serpentine, New Salem. 



54. Chloritic steatite, Conway, (originally Whitingham, Vermont.) 



55. Schistose gneiss with veins of chlorite, Bolton. 

 —•56. Laminar gneiss, Windsoi*. 



57. Laminar gneiss, West Webster. 



— 58. Laminar gneiss, Amherst. 



— 59. Laminar gneiss, Grafton. 



60. Laminar gneiss, Pelham. 



61. Laminar gneiss, Pelham. 



■"62. Laminar gneiss, Norfolk, Connecticut. 



63. Gneiss, hornblende slate iuterlaminated, Enfield. 



— -64. Gneiss iuterlaminated with hornblende slate, Warwick. 



— 65. Gneiss, Savoy. 



— 66. Gneiss, Windsor. 



67. Gneiss, Dalton. 



68. Gneiss, Becket. 



—-69. Gneiss with vein of granite, Pelham. 



— 70. Gneiss, Douglas. 

 71. Gneiss, Douglas. 



- — 72. Poqjhyritic gneiss, Ware. 



— 73. Porphyritic gneiss, Pelham. 



■"74. Gneiss, (feldspar flesh-colored,) Amherst. 

 75. Porphyritic gneiss with ejiidote, Pelham. 

 — 76. Coarse porphyritic gneiss, New Braintree. 



— 77. Coarse gneiss, porphyritic, Ware. 



— 78. Coarse porphyritic gneiss, Ware. 



