INDEX. 577 



Page. 



Graphit(>, prioea of 173 



sources of ' ' 1 



uses of - - 1 ' 2 



Great Brituin, distrilnition of speeinieiis in 123 



Green sand 477 



Greene, E. ]^., consulted material in various genera 59 



reference to services in determining various specimens 34 



specimens of plants supjilicnl to 62 



Grindstones 463 



soin'ces of 465 



Grinut'll, Josej)!!, titles of pajiers by — 136 



(irossularite 307 



Guano 356, 358, 374 



analyses of 375,378 



Guide to the Ktudy of tlie ( "ollectious in the .Section of Ai)plied Geology, l)y 



George P. Merrill 155 



in the section of Applied Geology, list 



of illustrations in 163 



in the section of Applied Geology, table 

 of contents and scheme of classifica- 

 tion of - - - 159 



Gum copal - 457 



Guthrie, Leon J., collecting outtit furnished to - - 67 



Gypsum 406 



analysis of 407 



(composition of 406 



geological age and mode of < x'currence of 407 



origin of 407 



uses of - - 410 



Halides 195 



cryolite - 214 



fluorite 213 



halite 195 



Halite 195 



composition of 195 



in Louisiana 200 



Michigan 199 



Texas - 200 



methoils of mining and manufacture of 206 



origin and occurrences of - 196 



uses of 211 



Hall, IL ()., specimens of plants su])plied to 62 



Hall, Janu's, return of Troost collection of crinoidea to Smithsonian Institution 



by 39 



Halloysite - - 330 



analyses of 330 



Hampson, Sir George F., collection of moths sent to 61 



Hansard, A. C, collecting outfit furnished to 68 



Hanukah lamp - 549 



Harrison, Miss Carrie, transferred to Department of Agriculture 51 



Hasse, H. E., gift of 30 



•Hatcher, J. B., agreed to look after the interests of Museum in Patagonia 65 



lot of specimens received from 10 



