APPENDIX. xxvii 



— 88. Plumbaginous mica slate, Amesbury. 



89. Brecciatcd mica slate, Amesbury. 



90. Anthracitous mica slate, Dudley. 



~~- 91. Anthracitous mica slate, anthracite locality, Worcester. 

 - 92. Anthracitous mica slate, anthracite locality, Worcester. 

 — - 93. Anthracite, Worcester. 



— 94. Anthracite, passing into plumbago, Worcester. 



— 95. Amianthus, Worcester. 

 V96. Bucholzite, Worcester. 



VII. Devonian or Old K,ed Sandstone Rocks. 

 '. 1. Conglomerate, red, Attleborough. 

 x#^. Conglomerate, quartzose brecciated, Attleborough. 

 \f 3. Old red sandstone, red from oxide of iron, Attleborough. 

 "/4. Old red sandstone, red from oxide of iron, Wrentham. , 



^5. Old red sandstone, chocolate color, Rehoboth. 



V 6. Old red sandstone, chocolate color, Walpole. 

 V'7. Old red sandstone, chocolate color, Abington. 



V 8. Old red sandstone, chocolate color. Canton. 



\j^ 9. Old red sandstone, chocolate color, slaty, Wrentham. 



VlO. Old red sandstone, with veins of white quartz, Wrentham. 



v/ 11. Old red sandstone, red, Greenbush, New York. 



V 12. Gray grit, Rehoboth. 



-, 13. Gray grit, reddish, Rehoboth. 



V'll. Gray grit, red, Attleborough. 



15. Gray slate, deep red, Attleborough. 



16. Gray slate, deep red, Attleborough. 



-/IT. Conglomerate, Attleborough, south-west part. 

 •■ 18. Conglomerate, Attleborough, south-west part. 

 \-'' 19. Slaty sandstone, Attleborough, south-west part. 



20. Slaty sandstone, Wrentham. 



21. Compact limestone, Attleborough. 



22. Compact limestone, with slate, Attleborough. 

 v''23. Fossiiiferous limestone, Bernardston. 



24. Fossiiiferous limestone, Bernai'dston. 

 V25. Limestone brecciated, (polished,) Bernardston. 

 V'26. Encrinites, Bernardston. 

 /27. Encrinites, Bernardston. 



28. Encrinites, Bernardston. 



VIII. Silurian and Cambrian Rocks. (Metamorphic.) 



1. Made in argillaceous slate, (boulder,) Worcester. 



2. Common argillaceous slate, Guilford, Vermont. 



— 3. Common argillaceous slate, Lancaster. 

 4. Common argillaceous slate, Shirley. 



"5. Common argillaceous slate. Harvard. 



— 6. Common argillaceous slate, Pepperell. 



— 7. Common argillaceous slate, passing into mica slate, Bernardston. 



