CONTENTS OF THE REPORT FOR 1870. 



Page. 



Resolution of Congress to i^rint the report 2 



Letter from the Secretary submittiufr report to Congress 3 



List of Regents and members ex officio of the Institution , 5 



Executive ofScers of the Institution G 



Programme of organization 7 



REPORT OF THE SECRETARY 13 



National museum 13 



Library 14 



Local objects - 14 



Finances 14 



Virginia stock 15 



Services of J. 'M. Carlisle, esq 15 



Publications 15 



Investigations 17 



Exchanges 25 



Freight facilities 26 



Library, addil ions 26 



Explorations and collections 29 



Museum 31 



Herbarium •.....: 36 



Agreement with Department of Agriculture 39 



Work done in connection -with collections 40 



Meteorology 42 



Visit to Europe 45 



APPENDIX TO REPORT 01' THE SECRETARY 46 



Entries in mu.seum record-books iu 1S69 and 1870 46 



Distribution of duplicate specimens 46 



Additions to the collections iu 1870 47 



Statistics of literary and scientific exchanges 53 



Packages sent from America to foreign institutions 54 



Packages received from foreign institutions 56 



List of meteorological stations and observers for the year 1670 65 



Colleges and institutions furnishing meteorological observations 74 



- Meteorological material received in addition to regular observations 75 



REPORT OF THE EXECUTIVE COMMITTEE, with receipts, expenditures, 



and estimates ., 81 



JOURNAL OF PROCEEDINGS OF THE BOARD OF REGENTS 85 



GENERAL APPENDIX. 



EULOGY ON ALEXANDER DALLAS BACHE. By Prof. Joseph Henry.... 91 



LECTURE ON SWITZERLAND. By Alexander Dallas Bache 117 



ON A PHYSICAL OBSERVATORY. By Prof. Joseph Henry 141 



THE HISTORY OF MY YOUTH. An autobiography of Francis Arago 145 



EULOGY ON HERSCIIEL. By M. Arago ." 197 



