448 PROCEEDINGS OF THE ACADEMY OF [1892. 



Mr. Jos. Willcox read a paper entitled " A Theory of the 

 Origin and Development of the Earth and Heavenly Bodies." (No 

 abstract presented for publication.) 



December 20. 



The President, General Isaac J. Wistar, in the chair. 



One hundred and nineteen persons present. 



Papers under the following titles were presented for publication : — 



"The Birds of Bridsh Columbia and Washington, observed 

 during the Spring and Summer of 1892." By Samuel N. Rhoads. 



" Extra Morainic Drift of the Susquehanna, Lehigh and Delaware 

 Valleys." By G. Frederick Wright. 



Prof. G. F. Wright made a communication, illustrated by lan- 

 tern slides, on the evidence of the existence of paleolithic man in 

 America. (No abstract presented for publication.) 



December 27. 

 The President, General Isaac J. Wistar, in the chair. 

 Two hundred and forty-one persons present. 

 The following were ordered to be printed : — 



