General Index. 



683 



Gneiss, schistose, laminar, porphyritic, amphibolic and epidotic, 384 



augitic, anthophyllitic arenaceous and talcose, - 385 



its topography, - - 385 



dip, direction, &c. of its strata, - 390 



curvatures in its laminae, - °9l 



its mineral contents, - - - - - 395 



its theory, ------ 400 



Gold, native, - 459, 65, 360 



and silver, idle search after, 68 



Gorge or Glen, Leyden, ... - 102 



Gorgonia, fosil, - ... - - - 238 



Gould, Dr. A. A. his Catalogue of Crustacea, - - 563 



Granite, its agricultural character, - 13 



its use in architecture, ... - - 13 



how split, - - 17 



its price when wrought, 17 



defined, ------ 465 



its mineralogical characters, - 466 



common, pseudomorphous and porphyritic, - 466 



porphyritic, - - 466 



graphic, ------ 467 



its topography, - - - - 469 



its pseudo-stratification, - 473 



its veins and protruding masses, - - 473 



sketches of its veins &c. in Conway and Blanford, 475 



in Westminister and Nowich, 476 



in Norwich, - 477 



in do - - 478 



in Norwich and Conway, 479 



in Russell, - - 480 



in Ackworth, N. H. 481 



in Chester and Chesterfield, 482 

 in Williamsburgh and Granville, 483 



in Chesterfield, - 484 

 in Ct. Shutesbury and Conway, 485 



in Chester and Williamsburgh, 486 

 in Whately,Newport & at G.Head,487 



in West Hampton, 488 

 in Southampton and Shutesbury, 489 



in New Bedford and Fairhaven, 490 



do do 491 



do and Tolland, 492 



in Williamsburgh, - 493 



in Whately, - 494 



in Conway, - - 495 



in do - - 496 



in do - - 497 



in do and Goshen, 498 



in do - - 499 



in Goshen and Norwich, 500 



inColrain, - - 501 



its mineral contents, - 501 



its theory, - - - 509 



Graphic Slate, - - - - - 35 



Graphite, - - - 47, 395 



Gray Copper, ... - 399 



Graywacke, its agricultural character, - - 9 



its economical uses, 33 



defined, - - - - 248 



its peculiarities in Massachusetts, - 249 



its mineralogical characters, - - 251 



conglomerated, - 252 



brecciated, - 255 



quartzose, - 256 



talcose, ... - 257 



