

General Index. 681 



Chromate of Iron, 



Chrysoberyl, 503 



Chrysoprase, ' j J* 



Cinnamon Stone, 50, 310 



Clays Variegated, - 184 



Clays used for Fuller's Earth, >8 



for making" alum, - 



as a manure, 

 Cliffs at Gay Head, 

 Cleavelandite, 



Climate formerly tropical in New England, 



Cobalt, Arsenical, - 381 



Coal in new red sandstone, " ** 



its varieties, - - 42 



Columns of Greenstone on Holyoke, - - 80, 407 



at Titan's Pier, 

 in Deerfield, 



Columnar Argillaceous Iron Ore, 



Compact feldspar, - 443 



Concluding Remarks, "1, 



Concord Granite, - 1? 



Concretionary Carbonate of Lime, 

 Conglomerated Mica Slate, 

 Contortions in Rocks, how produced 



Copper, veins of in Greenfield and Granby, Ct. - 62 



carbonate of and pyritous, 



muriate of - 508 



native and carbonate of and pyritous, 

 <&c. in new red sandstone, 

 &c. veins of in new red sandstone, 

 Crabs, Fossil at Gay Head, 

 Cranston, R. I., Iron Ore in 



Crocodile's Tooth, Fossil at Gay Head, !93 



Crustacea in Massachusetts, Catalogue of 563 



Cumberland, R, I. Iron mine in 54 



Cummingtonite, 

 Cyclopteris in graywacke, - 285 



D. 



Danas Messrs, assisted by - 3 



Davy, Sir Humphrey, his chemical theory of the earth, - 517 



Dedham Granite, 

 Deerfield Mountain, 



Deluge of Noah, how probably produced, 



Deluges, Ancient - 537 



Dewey, Prof, assistance from, ... 

 Deweylite, 



Diabase, - ... 409 



Diluvial Current in Massachusetts, its direction, 



proofs that it was southerly, 152, 159 

 elevations and depressions, 

 bowlders or rocking stones, 

 grooves in the rocks, 



Diluvium, how produced, - 141 



of Plymouth and Barnstable, - I 43 



of Cape Ann, ... 147 



of Worcester County, - - 148 



of the Connecticut Valley, 



of Hoosac Mountain and Berkshire, 150, 156 



on Mount Tom, - 155 



on Mount Toby, - - 159 



in Europe and Asia, . - 166 



its mineral contents, - - 170 



