1905.] NATURAL SCIENCES OF PHILADELPHIA. 925 



of eastern Virginia; by Mr. T. G. Ridpath, on deep wells near Philadel- 

 phia; and a dozen shorter communications with various discussions. 



There were 6 field excursions, with an average attendance of about 

 33. The parties visited: 1. Upper Cretaceous beds within a dozen 

 miles southeast of Camden, N. J.; 2. Crystalline rocks and their 

 minerals near the southern edge of Delaware County; 3. PortioiLS of 

 the New Red Gwynedd Shales and Norristown Shales, also Hudson 

 River Shales, all in Bucks County, near Chalfont, Doylestown and 

 Grenoble; 4. Portions of the New Red Norristown Shales and No. 11 

 Limestone in Buckingham Township, Bucks County; 5. Portions of 

 the New Red Norristown Shales, Perkasie Shales, Pottstown Shales and 

 trap near Lambertville, N. J. ; 6. Some mineral places in the crystal- 

 line rocks near West Chester. 



At the time of the Buckingham excursion some exceptionally inter- 

 esting fossil saurian bones were found in a hole dug at the expense of 

 the Section, under the guidance of Mr. John S. Ash, of Holicong, and 

 on his land. The Section has had the digging continued. Mr. William 

 J. Sinclair, of Princeton, has kindly undertaken the study of the bones, 

 and later on will report upon them to the Academy. 



The membership of the Section has increased by four — two members 

 and two contributors. 



The following officers of the Section have been elected for the year 

 1906: 



Director, 

 Vice-Director, 

 Recorder and Secretary, 

 Treasurer, . 

 Conservator, 



Benjamin Smith Lyman. 

 George Vaux, Jr. 

 Miss Mary S. Holmes. 

 Miss Emma Walter. 

 Frank J. Keeley. 



Respectfully submitted by order of the Section, 



Benj. Smith Lyman, 



Director. 



The Biological and Microscopical Section. 



The Section held its usual monthly meetings with an increased 

 attendance and has also met on several occasions for informal discus- 

 sion. The members present have offered numerous specimens, both 

 mounted and unmounted, for exhibition, and several addresses have 

 been made, among which may be mentioned the following : 



Fisheries of the Dogger Bank, by Dr. Benjamin Sharp ; Micro-Chemical 



