INDEX. 461 



Page. 



Cluss, Adolf. Services as architect 18, 70 



Coleopteia. List of 19, 20 



New species of 19, 20 



Collaborators of the Institution 31 



Collections of natural history. Account of 2G 



Additions to 44, 4G 



Colors. Accidental or subjective, by Abbe Moigno 211 



Congress. Act of, authorizing increase of Smithson fund 77 



Legislation Ijy, relative to Institution 13, 74, 77 



Library of, condition of. 13, 15 



Memorial to, from Board of Regents 74 



Order to print extra copies of annual report 2 



Connolly, Henry. Explorations by 2G 



Conrad, T. A. Check list of fossils 19, 20 



Contributions to knowledge. Account of IS 



Contributors to Berendt's exploration 27 



Cooper, Juan. Explorations by 27 



Cope, Prof. E. D. Specimens referred to 28 



Corbiculadaj. Prime's monograph of 19 



Correspondence. Account of 30 



Cones, Dr. Elliot. Explorations by 27 



Costa Rica. Explorations in 27 



Craig, Dr. B. F. Articles referred to 31 



Ciyolite of Greenland. Account of 393 



Dall, W. H. Explorations by 26, 27 



Daltonism, or imperfections in perception of colors 246 



Dana, Prof. J. D, Articles referred to 31 



Davis, Admiral C. H. Articles referred to 31 



Davis, Hon. Ganet. Acts of, as regent 72, 73 



Davis, Dr. E. H. On ethnological research 370 



Davison, Lieutenant. Explorations by 26 



Dawes. On external appearance of sun 209 



Deaths of meteorological observers 59 



De Beust, ^Yilliam. Compensation to, for loss by fire 74 



De Caudoire. On Piperaceas 297 



On Begonia 298 



De Lacerda, A. Exploration by 27 



Delafield, General Richard. Acts of, as regent 72, 73, 74, 75, 76, 77, 78 



Report of, executive committee 65 



Report of, building committee 69 



Report of, committee on accounts 78 



Services in regard to building 18 



Delafontaine. On y ttria, terbine, and erbine 295 



De la Rive. On tenestrial electric currents 293 



De Loriol. On Jui'assic deposits 295 



Deposits of shells. Account of artificial 356 



De Saussure. On Scolia 299 



Dew on Lake Erie in summer 406 



Dille, Israel. Sketch of ancient earthworks in United States 359 



Distribution of publications. Rules for 2 



of specimens 28, 45 



Donations to the library during 1866 28 



Donors to the museum. List of 46 



