682 



General Index. 



Diluvium, its organic remains, - - 171 



its stratification, - . . 169 



its agricultural character, - . 6 



Dionite, . - ... 409 



Dip and direction of the strata of Plastic Clay, - 196 



of new red sandstone, - - 219 



of graywacke, - - - 271 



of argillaceous slate, - - 289 



of quartz rock, - 322 

 of mica slate, - - - 337 



of talcose slate, - - 358 



of Hornblende Slate, - - 380 



of gneiss, - ... 390 



Direction of the Strata, Map of, 523 

 Divine Benevolence, proofs of from geology, - 247 



Dolerite, - - - - .409 



Dunes or Downs, - - - .7 



how formed, . - - 130 



E. 



East and West System of Strata, - - - 534 



Economical G eology of Massachusetts, - - 1,3 



Elevation of Mountains and Systems of Strata, - 522 



Emmons, E. Prof, his Catalogue oi Birds, • . 545 



his sketch of Strata, in Chester, - 330 



Epidote, ... - 346, 398, 438 



Equisetum in graywacke, . - - 284 



Eternity of the globe considered, - - 401 



F. 



Fall River Granite, .... 15 



Falls, Turner's ..... 99 



South Hadley and Shelburne, - - - 101 



Sphicket. - - - - 102 



in Fall River, .... 102 



Pawtucket, - - -102 



Canaan, Ct. - - - - - 104 



Fasciculite, ------ 363 



Feldspar, green ----- 398, 461 



blue and siliceous, 506 

 Fetid Limestone at West Springfield, ... 214 

 Fibrolite, ----- 345 



Fishes in Massachusetts, Catalogue of 553 



additional, - - 605 



Fitchburg Granite, - - - - - 16, 17 



Flinty Slate, - - - - -262 



Fluor Spar, ----- 283, 343, 461, 502 



Fluvial Theory, - - - 141,164,518 



Fowlerite, or ferro-silicate of manganese, - 344 



Fucoides in new red sandstone, - 233 



in graywacke, - - - 284 



G. 



Gadolinite, - ... .... 310 



Galena argentiferous, ... 348 



Garnet, 312, 346, 398, 507 



Garnetiferous Mica Slate, ----- 327 

 Gay Head, its scenery, ----- 99 

 Girardin on central heat, - - - - 517 

 Gneiss, its agricultural character, .... H 

 its use in architecture, ... - - 18 

 quarries of in Massachusetts, - - 19 



how it differs from granite, - 382 

 its mineralogical characters, - - . 383 

 granitic, - 383 



