88 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1926 
PortucaL: Seccfio de Trocas Internacionaes, Bibliotheca Nacional, Lisbon. 
QUEENSLAND: Bureau of Exchanges of International Publications, Chief Sec- 
retary’s Department, Brisbane. 
RuMANIA: Bureau des Echanges Internationaux, Institut Météorologique Cen- 
tral, Bucharest. 
Russia: Academy of Sciences, Leningrad. 
SatvaporR: Ministerio de Relaciones Exteriores, San Salvador. 
Sram: Department of Foreign Affairs, Bangkok. 
SourtH AusTRALIA: Public Library of South Australia, Adelaide. 
SPAIN: Servicio del Cambio Internacional de Publicaciones, Cuerpo Facultativo 
de Archiveros, Bibliotecarios y Arqueélogos, Madrid. 
ScmMATRA, via Netherlands. 
SwEDEN: Kongliga Svenska Vetenskaps Akademien, Stockholm. 
SwITZERLAND: Service Suisse des Echanges Internationaux, Bibliothéque Cen- 
trale Fédérale, Berne. 
Syria: American University of Beirut. 
TASMANIA: Secretary to the Premier, Hobart. 
TRINIDAD: Royal Victoria Institute of Trinidad and Tobago, Port-of-Spain. 
TUNIS, via France. 
TURKEY: Robert College, Constantinople. 
Union oF SournH Arrica: Government Printing Works, Pretoria, Transvaal. 
Urvucuay: Oficina de Canje Internacional de Publicaciones, Montevideo. 
VENEZUELA: Biblioteca Nacional, Carfcas. 
Victoria: Public Library of Victoria, Melbourne. 
Western AUSTRALIA: Public Library of Western Australia, Perth. 
Yucostavia: Académie Royale Serbe des Sciences et des Arts, Belgrade. 
RULES GOVERNING THE TRANSMISSION OF EXCHANGES 
For the information of any who may desire to make use of the 
Smithsonian system of exchanges in the forwarding of publications 
to foreign correspondents, there is reproduced below a revised edi- 
tion of a circular containing a brief description of the service and 
the rules under which packages are received for distribution. 
In effecting the world-wide distribution of its first publications, the Smith- 
sonian Institution established foreign agencies by means of which it was 
enabled to materially assist institutions and individuals of this country in the 
transmission of their publications abroad, and also foreign societies and indi- 
viduals in distributing their publications in the United States. 
In more recent years the Smithsonian Institution has been charged with the 
duty of conducting the official Hxchange Bureau of the United States Govern- 
ment, through which the publications authorized by Congress are exchanged 
for those of other governments; and by a formal treaty it acts as intermediary 
between the learned bodies and scientific and literary societies of this and other 
countries for the reception and transmission of their publications. 
Attention is called to the fact that this is an international and not a domestic 
exchange service, and that it is designed to facilitate exchanges between the 
United States and other countries only. As publications from domestic sources 
for addresses in Hawaii, the Philippine Islands, Porto Rico, and other territory 
subject to the jurisdiction of the United States do not come within the desig- 
nation “ international,’ they are not accepted by the Institution for trans- 
mission through the service. 
Packages prepared in accordance with the rules enumerated below will be 
received by the Smithsonian Institution from individuals or institutions of 
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