sented the specific gravity and the ordinate the value of the alloy. This 

 empirical chart was based npon so many cases that it served with all need- 

 ed accuracy for quick determination. The whole process of ascertaining 

 the specific gravity of the sample to be tested, and of reading from the chart 

 the corresponding value, need not occupy over three or four minutes. 



Prof. Nipher made some remarks, which he ilUistrated by a 

 chart, upon "The mean Temperatures for the month of Decem- 

 ber, in St. Louis, from 1S40 to 18S5." 



The following officers for the year 1886 were elected : 



President — Francis E. Nipher. 

 First Vice President— Dr. James M. Leete. 

 Second Vice President — Mr. M. L. Gray. 

 Corresponding Secretary — Dr. Edward Evers. 

 Recording Secretary — E. A. Engler. 

 Treasurer — Dr. Enno Sander. 

 Librarian — G. Hambach. 



Curators — Dr. Chas. Luedeking, Dr. Gustavus Hambach, 

 Wm. H. Allderdice. 



Mr. W. A. Haren was elected to associate membership. 

 Adjourned. 



January 18, 1886. 



The Academy met Monday evening, Jan. iSth, 18S6, at the 

 Academy rooms ; Dr. Leete, Vice President, in the chair, and 

 Messrs. Speck, Evers, Jewett, Haren, Tivy, Wheeler, Seddon, 

 Pritchett, Moore, Engler, and visitors, present. 



The minutes of the last meeting were read and approved. 



A map of the City of St. Louis was presented to the Academy 

 showing death-rate per block during the cholera in 1866, which 

 was indicated by different colorings. 



Mr. John H. Kinealy was elected to associate membership. 



The Academy then adjourned to accept the invitation which 

 had been extended by Prof. Pritchett to an informal inspection 

 of the new observatory and clock-room. 



February i, 1886. 

 The Academy met Monday evening, Feb. ist, 18S6. President 



