VI CONTENTS. 



Page. 

 Keport of the Secretary — Contiuvied. 



Astrouomical announcements by telegraph 28 



ExcLauges - - 30 



International exclianges 30 



Government exchanges 32 



Distribution 34 



Distribution of publications 34 



Distribution of specimens 34 



Library 34 



Additions for the year 35 



National Museu.m 35 



Increase of the Museum 35 



Medicinal collections 3(> 



Special contributions 37 



Bureau of Ethnology 38 



Co-operation with other Establishments 40 



Pacific Mail Steamship Company 40 



Corcoran Gallery of Art 41 



Treasury Department 41 



Coast and Geodetic Survey 42 



Light-House Board 42 



Miscellaneous 43 



Necrology 43 



International Exhibitions, &e. 44 



Congress of Americanists 45 



Geographical Congress 45 



External relations of the Smithsonian Institution 45 



United States Fish Commission 4G 



General objects and results 46 



Fish hatching 49 



Fish distribution 50 



Fisheries census 51 



Appendix to the Report of the Secretary 54 



Report on the oiieratious of Exchanges for 1881 55 



1. Foreign Exchanges 57 



Centers of Distribution 58 



Shipping Agents of the Institution 59 



Receipt and distribution of Exchanges 59 



Amount t ransmitted abroad in 1881 02 



2. Domestic Exchanges 63 



Receipt and distribution in 1881 (14 



3. Exchange of Government documents 71 



List of Government documents distributed in 1881 74 



Report of Assistant Director of the U. S. National Museum for 18S1 81 



Periods in the history of the Museum 81 



Plan of organization 89 



Museum Library 95 



Work of the Preparators 96 



Details of administration 97 



Publications of the Museum 98 



Departments of the Curators 99 



Appendix A. List of oflicers of the Museum for 1^81 Ill 



Appendix B. Bibliography of Museum work for 1881 Ill 



Appendix C. List of contributors to the Museum for 1881 131 



Report of the Chemist 161 



