50 REPORT OF ASSISTANT SECRETARY. 



line have also authorized their agents to forward packages to or from 

 the Institution free of charge. 



The Institution is under many obligations to Mr. A. B. Forbes and 

 Mr. Samuel Hubbard, of the Pacific Mail Steamship Company, in San 

 Francisco, for important services in facilitating and conducting its 

 general business of exchanges, shipments, &c., on the Pacific coast. 



The domestic agents of exchange, consisting of Messrs. Swan, 

 Brewer & Tileston, Boston; D. Appleton & Co., New York; J. B. 

 Lippincott & Co., Philadelphia, and Robert Clarke & Co., Cincinnati^ 

 have, as heretofore, received and distributed without charge the 

 copies of Smithsonian contributions to knowledge addressed to insti- 

 tutions within their reach. 



A. 



Receipt of hooks ^ (&c., by exchange in 1861. 

 Volumes : 



Octavo 572 



Quarto 196 



Folio 53 



821 

 Parts of volumes and pamphlets : 



Octavo 1, 255 



Quarto ■ 583 



Foho 107 



1,945 



Maps and charts 120 



Total 2, 886 



B. 



Table sJioicing the statistics of the foreign exchanges of the Smithsonian 



Institution in 1861. 



