236 



W. Blunt, Boston, April 30, 1873 ; the IT. S. Naval Obser- 

 vatory, Washington, Jan. 31, 1873; the Minnesota Aca- 

 demy of Natural Sciences, Minneapolis, April 15, 1873. 



A letter requesting donations for the Chicago Public Li- 

 brary was received from W. B. Wickersham, Secretary, 

 dated Chicago, April 28, 1873. 



Donations for the Library were received from the Geo- 

 graphical Society, at Vienna; the Belgian Academy ; theR. 

 Astronomical Society ; London Nature ; Revue Politique ; M. 

 Sillorata, Rome ; Prof. Geo. L. Yose; Mr. Ezra Seaman, of N. 

 Y.; Prof. A. M. Meyer, of Stevens Institute ; the Journal of 

 Pharmacy and Medical News ; the TJ. S. Coast Survey ; Dr. 

 Ilayden, and the Academy at San Francisco. 



The death of Baron Justus von Liebig, at Munich, April 

 18, 1873, aged 70, was announced by the Secretary. 



The death of Prof. F. C. Zantedeschi, at Padua, March 30, 

 1873, aged 76, was announced by letter. 



The death of William Sullivant,at Columbus, 0., April 30, 

 1873, aged 70, was announced by the Secretary. 



Dr. LeConte in behalf of the Secretaries, exhibited a copy 

 of a paper by Prof. Cope, read at the meeting of April 4, 

 bearing the date March 8, 1873 printed at the end. Prof. 

 Cope made explanations to justify his publication of that 

 date. 



Mr. Chase communicated three notes : 1. On Solar rotation ; 

 2. On correlations of Planetary Masses ; 3. On Intra-Mercurial 

 Planets. 



Mr. Cope, after some introductory observations, requested 

 that the Society authorize the drawing and printing of two 

 plates 8° to illustrate a paper on Flat Clawed Carnivora of 

 the Eocene of Wyoming, the cost for drawing each plate not 

 to exceed thirty dollars. 



After discussion by Dr. Le Conte and Geu'l Stokes the 

 motion was seconded and on motion of Mr. Smith post- 

 poned to the next meeting. 



And the Society was adjourned. 



