638 



REPORT ON NATIONAL MUSEUM, 1886. 



Page. 



Epidote granite 408 



granite in Massachusetts 420 



Escarpment, definition of 522 



Essential minerals, definition of 292 



Euclid bluestone in Cuyahoga County, Ohio 456 



source of 458 



use of 443 



Europe, specimens of building stone from.. 617 



Expansion and contraction of stone 332 



Exportation of marble and stone, and manu- 

 facture of marble and stone of foreign 



production 514 



of domestic production 513 



Export of slate, 1876-1880 291 



E. • 



Face hammer used in stone working 329 



Feldspars, characters of the 294 



Ferruginous, definition of 522 



rocks 307 



sandstones 445 



Fibrous, definition of 522 



gypsum 370 



Field, Dr., on granite quarries at Haddam 



Neck 287 



Fine sand finish 320 



Finishing, methods of 319 



' ' Fiorto " marble from Persia 384 



First stones quarried 285 



Flagg, Mr., opens slate quarry in Lancaster, 



Mass 467 



Flag-stone, definition of 522 



variety of sandstone 445 



Flint, definition of 522 



Flinty rocks.- 306 



Florentine marbles 473 



Florida, limestone in 392 



specimens of limestone from 532 



specimens of sandstone from 532 



Foliated, definition of 522 



rocks 441 



Formosa marble from Germany 479 



Fossiliferous limestones 373 



Fragmental, definition of 522 



rocks 302 



rocks, characters of 443 



France, specimen of fossil marble from 618 



specimen of jasper marble from 618 



specimen of limestone from 617 



specimens of marble from 617-618 



Frankfort Granite Company 288 



Free quarrying in Connecticut 289 



Freestone, definition of 522 



variety of sandstone 445 



French chalk, description of 298 



French marbles 478 



Friable rocks 306 



Friction, effects of 335 



G. 



Gabbro, characters of 437 



places of occurrence of 437 



Gadding-machines 311 



use of 324 



Garnet, characters of 299 



Geikie, Professor, on joints in rocks 310 



Page. 

 Genth, Professor, on serpentines of Mary- 

 land 364 



Geological Record 309 



Georgia, granites in 413 



marbles in 377 



sandstones in 449 



Blates in 466 



specimen of gneiss [with pagodite] 



from 532 



specimen of hornblende biotite gneiss 



from 532 



specimen of muscovite granite from . . . 532 



specimens of marble from 532 



German emigrants, process of stone-cutting 



introduced by 315 



Germany, exports of slate to 291 



marbles imported from 479 



specimens of marble from 618 



Glacial action on rock, effect of 347 



Glassy, definition of 525 



Glossary of terms 521 



Gneiss, definition of 522 



quarries in Massachusetts 420 



structure of 441 



Gneissoid, definition of 522 



Goode, G.Brown 392 



Grain, definition of 522 



of rocks 306 



Granite, average chemical composition of.. 408 



average specific gravity of 408 



definition of 523 



disintegration of 340 



early use for building purposes 285 



expansion and contraction of 332 



from Chelmsford, buildings constructed 



of 286 



from Quincy quarries 286 



in Maine, hornblende 417 



production at Quincy 286 



quarrying 311 



uses of 410 



varieties of 408 



Granitell 408 



Granites and gneisses, composition of 407 



origin of 407 



Granites, California 411 



Colorado 412 



Connecticut 412 



Delaware 413 



Egypt 484 



Georgia 413 



Maine 413 



Massachusetts 418 



Maryland ^ 418 



Minnesota 421 



Missouri 422 



Montana 422 



New Brunswick 485 



New Hampshire - 422 



New Jersey 423 



New York 423 



Nova Scotia 485 



Granites of the various States and Terri- 

 tories 411 



Pennsylvania 424 



Rhode Island 424 



