1907.] 
NATURAL SCIENCES OF PHILADELPHIA. 
567 
Communications F or warded. 
Acknowledging gifts to the Library 
Acknowledging gifts to the Museum, 
Acknowledging photographs and biographies, .... 
Requesting the supply of deficiencies in journal 5 , . 
Correspondents’ diplomas and notices of election, . 
Letters of sympathy or congratulation and addresses, 
Miscellaneous letters, 
Copies of annual reports sent to correspondents, . 
Circular letters, 
1,022 
77 
7 
S5 
2 
9 
136 
213 
95 
Total forwarded, 1,646 
Respectfully submitted, 
J. Percy Moore, 
Corresponding Secretary. 
REPORT OF THE LIBRARIAN. 
Additions to the Library have been received during the year as 
follows : 
Pamphlets and parts of periodicals 5,790 
Volumes, 941 
Maps, 157 
Photographs, 21 
Total, 
6,909 
They were received from the following sources : 
I. V. Williamson Fund 2,406 
Societies, Museums, etc 2,377 
Editors 640 
United States Department of 
Agriculture 438 
United States Department of the 
Interior 230 
General Appropriation 211 
Authors 138 
James Aitken Meigs Fund 86 
Wilson Fund 29 
Pennsylvania State Department 
of Agriculture 25 
Geological Survey Department, 
Canada 23 
United States Department of 
Commerce and Labor 20 
Minist&re des Travaux Publics, 
France 18 
Comit6 Geologique Russe 16 
Imperial Geological Survey, Japan 13 
United States Treasury Depart- 
ment 12 
Ministerio de Colonizacion y Agri- 
coltura, Bolivia 11 
United States War Department. ... 10 
Department of Mines, Victoria 10 
Department of the Interior, 
Canada 9 
Department of the Interior, 
Philippines 9 
Geological Survey of India 9 
Ministerio de Foinento, Peru 8 
Trustees of British Museum 8 
