564 PROCEEDINGS OF THE ACADEMY OF [Dec, 



of (Oal Beds; Dr. Thomas C. Brown read a paper oa the Origin 

 of the Early Paleozoic Sediments of Central Pennsylvania; and Mr. 

 F. J. Keeley made a communication on Meteorites from Arizona. 

 There were also shorter communications and various discussions. 



There were six field excursions, with an average attendance of 

 over 28. The parties visited: (1) Crystalline rocks near Neshaminy 

 Creek, below the Falls, Bucks County; (2) Crystalline rocks near 

 Inionville and Northbrook, Chester County; (3) The Aldham, 

 ( !hester County, trap and the Cambrian Sandstone of North Valley 

 Hill; (4) Crystalline rocks and their minerals between Avondale 

 and Crum Lynne, Delaware County; (5) The Paleozoic rocks between 

 Strafford, Chester County, and Bridgeport, Montgomery County; 

 (6) Crystalline and Paleozoic rocks between Radnor, Delaware 

 County, and Gulf Mills, Montgomery County. 



Four new associate members were elected. 



The following officers of the Section have been elected for the 

 year 1913: 



Director Benjamin Smith Lyman. 



V ice-Director F. J. Keeley. 



Recorder and Secretary S. L. Schumo. 



Treasurer William B. Davis. 



Conservator.. George Vaux, Jr. 



Respectfully submitted by order of the Section. 



Benjamin Smith Lyman, 



Director. 



Ornithological Section. 



During the early part of the past year, while the alterations 

 to the building were in progress, the ornithological collections were 

 for the most part inaccessible for study. As soon, however, as the 

 rooms had been renovated the cases containing the study series 

 were moved back in place, thoroughly cleansed, and the entire col- 

 leetion examined and rearranged where specimens had been dis- 

 placed in moving. 



The permanent quarters now provided for the department permit 

 of the arrangement of the collections to much better advantage 

 than ever before, while the new skylights and electric-light facilities 

 enable the student to readily consult any of the specimens. Many 

 ot the old unmounted specimens have been relaxed and made to 



