1913.] 



NATURAL SCIENCES OF PHILADELPHIA. 



697 



of nearly 1,000 more than the additions of the preceding year. The 

 sources of accession were as follows: 



Exchanges 



I. V. Williamson Fund 



General Appropriation 



United States Department of 

 Agriculture 



Authors 



James Aitken Meigs Fund 



Editors 



United States Bureau of Educa- 

 tion 



Dr. W. D. Bayley 



Geological Survey of Kentucky.. 



Thomas B. Wilson Fund 



Government of India 



Imperial Department of Agri- 

 culture, British West Indies.. 



New York Agricultural Experi- 

 ment Station 



United States Department of 

 the Interior 



Imperial Geological Survey of 

 Japan 



University of Nebraska Agri- 

 cultural Experiment Station... 



Government of Costa Rica 



Dr. W. U.Abbott 



Pan-American Union 



Ministerio de la Agi-icultura, 

 Argentine Republic 



Botanical Section of the 

 Academy 



Trustees of the British Museum.. 



Tennessee State Board of Ento- 

 mology 



Dr. C. W. Richmond 



Estacion Seismologica de Cartuj a 



Dr. E. J. Nolan 



United States War Department.. 



United States Department of 

 Commerce and Labor 



WilUam J. Fox 



American Iron and Steel Insti- 

 tute 



Dr. H. A. Pilsbry 



Colorado Agricultural College 



Wyoming State Geologist 



Dr. Henry Skinner 



Albert I, Prince de Monaco 



University of Wyoming 



Pennsylvania State Library 



Comrnission of Conservation of 



Canada 



Massachusetts Agricultm-al Ex- 

 periment Station 



PubUcation Committee of the 



Academy 



Maryland Geological Survey 



46 



4,288 

 1,954 

 1,330 



1,188 



192 



131 



63 



52 

 50 

 42 

 40 



28 



25 



Ceylon Marine Biological Lab- 

 oratory 



State Entomologist of lUinois... 



New Mexico College of Agri- 



. culture 



Pennsylvania Department of 

 Agriculture 



Pennsylvania Chestnut Tree 

 Blight Commission 



Wisconsin Geological and 

 Natural History Survey 



Victoria Department of Mines.. 



Rockefeller Sanitary Institute.... 



Wyoming State Board of Immi- 

 gration 



Illinois State Geological Survey 



Geological Survey of Alabama.. 



Illinois Bureau of Labor Statis- 

 tics 



Geological Survey of New Jersey 



Ciierpo de Ingenieros de Minas 

 del Peru 



Commission de la Belgica 



Washington Geological Survey.. 



Estate of Caleb J. Milne 



C. H. Fernald 



Florida State Geological Survey 



Iowa Geological Survey 



University of Pittsburgh 



Board of Park Commissioners, 

 San Francisco 



Missouri Bureau of Geology 

 and Mines 



John Laurence 



Government of Formosa 



Mrs. W. A. Lemly 



American Federation of Hygiene 



Danish Government 



Mrs. John Marcou 



French Government 



National Electric Lamp Asso- 

 ciation 



Herbert A. Gill 



University College, London 



New Orleans Progressive Union 



Geological Survey of Georgia 



Geological Survey of Ohio 



Minnesota Historical Society 



Miss A. L. Fries 



Delaware Valley Ornithological 

 Club ._ 



Ventura County Horticultural 

 Society 



Illinois State Museum 



Louisiana State Museum 



F. E. Fischer, Leipzig 



United States Brewers' Asso- 

 ciation 



