INDEX. 449 



Page. 



Douati, origin of aurora and effecb on telegraph 299 



Duplicate specimens, distribution of 50, 55 



Dyes, production of 215 



Earth-woi'ks. (See Ethnology.) 



Education, distinction between, and original research 13 



Education of mechanics, scientific 185 



Egleston, Prof. T., arrangement of minerals 51 



on crystallography 233 



scheme for blow-pipe determinations 219 



Egypt, correspondence with 34 



fac-similcs of papyrus 34, 35 



Electro-d\ namics, Ampere's researches 13G 



Elephant Mound in Grant County, Wisconsin 416 



Elliott, Henry W., valuable collections from 43 



Engravings on rocks by Indians, J. G. Brufi' 409 



Espy, James P., meteorological investigations of 37 



Establishment of the Institution, members of 5 



Estimates for the year 1873 76 



Ethnology : 



Scientific labors of Lartet 172 



Marl beds of Sansan 173 



Fauna of the caves 180 



Boundary line between geology and history 223 



First appearance of man in Central Europe 223 



Bronze age 224 



Stone age 224 



Schmerliug and Spring's discoveries 229 



Perthes and Prestwich'.s discoveries 230 



The Troglodytes, or cave-dwellers of the valley of the Yezere 310 



Flint imj)lements 316 



Caves 321 



Deer-horn implements 324 



Skeletons and skulls of cave-dwellers 339 



Old man and woman of Cromagnon 341 



Ancient aboriginal trade in North America 348 



Copper implements 350 



Galena in ancient mounds 355 



Obsidian implements 357 



Mica from mounds 360 



Slate manufactures by Indians 362 



Catlin's description of Indian method of making arrows, &c 363, 388 



Flint implements 365 



Red pipe-stone, localities and manufactures 368 



Shells, Indian work 372 



Wampum, manufacture and use of 379 



Pearls, found in mounds 383 



Labor of Indians 386 



North American stone implements 395 



Indian engravings on rocks in Green River Valley 409 



Ancient ruin in Arizona 412 



Hay-stack mound in Lincoln County, Dakota 413 



Earth- works in Wisconsin 414 



Mound in Wisconsin 415 



Big elephant mouud in Grant County, Wisconsin 416 



