602 
PROCEEDINGS OF THE ACADEMY OF 
[Dec., 
thus bringing all the collections of our region together in one series. 
Mr. Bayard Long has continued his valuable services during the 
year, and acknowledgment is made of the continued services of 
Miss Ada Allen as assistant in the herbarium. 
At the annual meeting of the Section, hold November 23, the 
following officers were elected: 
Director Benjamin H. Smith. 
Vice-Director Joseph Crawford. 
Recorder Charles S. Williamson. 
Treasurer and Conservator Stewardson Brown. 
Respectfully submitted, 
Stewardson Brown, 
Conservator. 
Mineralogical and Geological Section. 
The Section has held four meetings this year, with about the 
average attendance. A communication was made by Mr. S. Harbert 
Hamilton on exact surveying methods for the geological delineation 
of ore bodies, especially magnetite, besides some shorter com¬ 
munications and various discussions. 
There were five field excursions, with an average attendance of 20. 
The parties visited: (1) A line of Cambrian quartzites and lime¬ 
stones between Westtown and Brinton’s Bridge, Delaware County; 
(2) Crystalline rocks and their minerals near the southern edge of 
Delaware County; (3) The New Red rocks near Jacksonwald, 
Berks County; (4) The New Red rocks near Mt. Monocacy, Berks 
County; (5) The New Red rocks near the Ecton and Perkiomen 
Mines and Valley Forge, Montgomery County. 
The following officers of the Section have been elected for the 
year 1912: 
Director 
Vice-Director 
Recorder and Secretary 
Treasurer 
Conservator 
Benjamin Smith Lyman 
Frank J. Keeley. 
Silas L. Schumo. 
William B. Davis. 
George Yaux, Jr. 
Respectfully submitted by order of the Section, 
Benjamin Smith Lyman, 
Director. 
