462 INDEX. 



Dor, Dr. On sinking of lakes 294 



Dow, Captain J. M. Explorations by '. 27 



Draper. Silvered glass telescope 19' 



Drift, Glacial. Whittlesey on 32 



Dreutzer, O. E. Statistics of Norwegian mountains by 435 



Dresden. Royal library of, present from 29 



Dufour. On levelling in Switzerland 292 



On electric currents , 293 



Earthquake in eastern Mexico, January 2, 1866 432 



Earths. New, yttria, terbine, and erbine 295 



Earthworks, ancient. Account of, by J. Dille 359 



Edwards, W. H. Specimens referred to 28 



Egleston, Prof. T. Specimens referred to 2& 



Electrical apparatus 291 



Electric phenomena. Account of, by Prof. Henry 408 



in Red "VVing, Minnesota 408 



Elliot, D. G. Specimens referred to 28 



Engelhardt, M. On formation of ice at the bottom of water 425 



Equilibrium of a liquid mass, by Plateau 255 



Espy, Prof. J. P. On horary variations of barometer 423 



Theory of storms 406, 410 



Estes, Dr. L. C. Antiquities of Mississippi river and Lake Pepin 366 



Ethnology 303, 328, 346, 356, 359, 363, 366, 368, 370, 374 



Exchanges. Literary and scientific 25, 37 



Expenditures and receipts of the Institution 65 



Explorations and explorers. Account of 26 



Executive committee. Duties of 78 



Report of 65, 77 



Evaporation from salt and fresh water 402 



from Lake Michigan ' 406 



Eye. Researches relative to the 173, 211 



Faraday's experiments on colors 216 



Farnsworth, Hon. J. F. Acts of, as regent 74, 76 



Fatio. On use of cavities of air in bones of birds 293 



On colors of feathers of birds 299 



Favre. On geological map 295 



On meteorology 294 



Fechner's experiments on colors - 229 



Fessenden, Hon. W. P. Acts of, as regent 76 



Films. Plateau's researches on 255 



Finances of the Institution 13, 65 



Fire at the Institution. Results of 13 



Fisher, Dr. Explorations by .- 26 



Fisher, Dr. G. J. Donation of books from 29 



Flett, James. Explorations by 26 



Flint, Dr. Earl. Explorations by - 27 



Flourens, M. Memoir of Magendie 91 



Flugel, Dr. Felix. Agent for exchanges 26, 38 



Fog on Lake Michigan 406 



Force, Peter. Library of, purchased by government 15 



Force, W. Q. Meteorological services by 25 



Fossils. List of - 19, 20 



Foster, Hon. L. F. S. Acts of, as regent 74 



Frosts on Lake Erie 407 



