CONTENTS OF THE REPORT FOR 1869. 



ra,Te. 



Kcsolntion of Congress to print tLc report '2 



Letter from the Secretary submitting report to Congress '.i 



List of Regents and members ex officio of the Institution T) 



Executive officers of the Institution (i 



Programme of organization 7 



REPORT OF THE SECRETARY 1:5 



Finances l:] 



Cooperation with Government Departments 1.') 



Publications 1(> 



International exchanges 21 



Librarv 23 



Gallery of Art 25 



Museum t 23 



Lectures 2S 



Explorations and collections in natural history 29 



Explorations and collections in ethnology 31 



Meteorologv 47 



APPENDIX TO JREPORT OF THE SECRETARY 52 



Entries in Museum record books C.2 



Distribution of duplicate specimens -2 



Additions to the collections r>3 



Statistics of literary and scientific exchanges 59 



-^-- Packages sent from America for foreign societies 00 



Packages received from foreign societies C2 



List of meteorological stations and observers 09 



Colleges and institutions furnishing meteorological observations 78 



Meteorological material received in 1869 79 



REPORT OF THE EXECUTIVE COMMITTEE 85 



Receipts in 1869 85 



Expenditures in 1869 80 



Estimates and approjiriations for 1870 '. 87 



Examination of accounts 87 



JOURNAL OF PROCEEDINGS OF THE BOARD OF REGENTS 88 



GENERAL APPENDIX. 



Kepler : his life and -works. By M. Berthrand ■. 93 



Eulogy ox Thomas Y^oung. By M. Arago Ill 



Memoir of Auguste Bravais. Bv M. Eiie de Beaumont 145 



3IEMOIR OF C. F. P. Vox Martius'. By Chas. Ran 169 



Life .vxd Scientific Labors of Stefaxo Mariaxixl By C. Matteucci 179 



Chemistry of the Earth. By T. Sterry Hunt 182 



Electrical Cuiirexts op the' Earth. By C. Matteucci £08 



Piiexomexa of Flight ix the Aximal Kixgdom. By M. Marey 226 



The Northerx Seas. By M. Babinet 283 



Report ox the Traxsactioxs of the Society of Physics axd of Natural 



History of Geneva, .June, 1868, to June, 1869. By Dr. H. C. Lombard 297 



CoROXADO's March in search of tiie"Sevex Cities of Cii;ola"and Dis- 

 cussion of their Probable Locatiox. By General J. H. Simpson, U. S. A. 309 

 Social axd Religious Coxditiox of the Lower Races of Max. By Sir 



John Lubbock ' 341 



Principles and ]\Iethods of PALiEONTOLOCY. By T. H. Huxley 363 



Remarks on the " Cara Gig.vxtesca" of Y'zamal, ix Y'ucatax. By Dr. Arthur 



Schott 389 



FoRi'.STS AND THEIR Cli:matic Ixfluexce. By M. Becquerel 394 



Mr.Tr.oRiTES. By Dr. Fr. Brenndecke 417 



Rkmarkable Forms of Hail-Stones ix Georgia. By S. Abich 420 



Eruption of the Volc. xo of Colima. By C. Sartorius 422 



