1892.] NEW YORK ACADEMY OF SCIENCES. 131 



tests of other granites, as set forth by Mr. G. P. Merrill in his valu- 

 able work, Stones for Construction and Ornament, and with others 

 in Volume I of the Final Report of the Geological Survey of Min- 

 nesota, and others by Dr. A. W. Jackson in the recent Annual 

 Reports of the State Mineralogist of California, it appears that the 

 Chester stone endured well. 



It is much to be regretted that in miscellaneous tests of stone 

 there is not some uniform course of procedure by which comparable 

 data might be recorded. Some such generally accepted series would 

 be welcomed by many observers. 



The Secretary read the following by title : — 



A Select Bibliography of Chemistry. 



BY DR. H. CARRINGTON BOLTON. 



The Secretary announced that the Academy would adjourn until 

 June 6th, the next meeting falling on Decoration Day. 

 Meeting adjourned. 



June 6th, 1892. 

 Stated Meeting. 



The President, Dr. Hubbard, in the chair. Seven persons 

 present. 



The minutes of May 23d were read and approved. 



As the Business Meeting failed of a quorum, all regular business 

 was referred to the first meeting in October. 



The Secretary read the following papers by title : — 



Catalogue of the Described South American Species 

 of the Calyptrate Muscidae. 



BY C. H. TYLER TOWNSEND. 



The Paraguayan Plants Collected by Dr. Thomas 

 Morong, 1888-1890. 



BY N. L. BRITTON. 



Prof. D. S. Martin read the following paper entitled : — 



