PROCEEDINGS OF THE ACADEMY OF 
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of Coal Beds; Dr. Thomas C. Brown read a paper on 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 
I’nionville and Northbrook, Chester County; (3) The Aldham, 
Chester 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. 
Vice-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¬ 
lection 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 
of the old unmounted specimens have been relaxed and made to 
