1897.] NATURAL SCIENCES OF PHILADELPHIA. 167 



One hesitates which to admire most : the tenacity of his memory, 

 the brilliancy of his wit, or the ease with which he used his enor- 

 mous erudition. To any community, and at any time, the loss of 

 such a man is a calamity. 



The Committee on the Hayden Geological Memorial Award re- 

 ported in favor of conferring the medal and interest on the fund for 

 1897 on Prof. A. Karpinski, of St. Petersburg, Director of the 

 Geological Survey of Russia. 



Pkof. Karpinski has long been the most prominent figure 

 among Russian geologists, and, in spite of the claims upon his time 

 and energy of the Geological Survey of Russia's gigantic domain — 

 very far the largest region in the world under the direction of a 

 single man — he has found time to contribute valuable additions to 

 our knowledge in many different fields. Some of these are : — 



Geological Investigations and Exploration of the Coal Deposits 

 of the Eastern Urals. 1880. 



Remarks on the Sedimentary Formation of Russia-in-Europe. 



Origin of the Iron Ore in the Donety Basin. 



Geographical Observations on the Urals. 



Sedimentary Beds of the Tertiary of the Eastern Urals. 



Reference to the Occurrence of Permo-Carbonic Measures in Dar- 

 wazminca. 1884. 



Ammonites from the Ural. 1884. 



Fossil Pteropods. 1884. 



Essay on Unification, etc. 1884. 



Geological Map of the Urals. 1884. 



Materials for the Study of the Methods of Petrographic Research. 

 1885. 



Geological Map of Russia, Sheet 139. 



Orographic Description. 1886. 



Prof. Karpinski has been prominent in the councils of the Inter- 

 national Geological Congress, his ability and eminence suggesting 

 his selection as the President of the general committee of organiza- 

 tion of the coming Congress. The Committee hopes to present 

 farther details of Prof. Karpinski's life at a later date. 



April 20. 



The President, Samuel G. Dixon, M. D., in the Chair. 



Thirty-four persons present. 



The deaths, February, 1897, of Baron Constantin von Ettingshau- 

 sen and of Prof. Karl Claus, correspondents, were announced. 



