MINUTES OF MEETINGS. 



April 5, 1906. — Regular monthly meeting of the Insti- 

 tute. Charles N. Pierson and William N. Young, both of 

 Media, were elected to juvenile membership. Specimens of 

 carborundum, obtained from the Carborundum Company, of 

 Niagara Falls, were exhibited. An interesting discussion on 

 the subject ensued. Charles Potts exhibited a series of equal- 

 length pendulums swung from a common supporting cord, 

 illustrating the transference of energy from one to the other 

 when the condition of resonance obtained. 



May 3, 1906. — Regular monthly meeting of the Institute. 

 Dr. Frank T. Davis, of Lansdowne, Delaware County, was 

 elected to membership. This being the annual meeting, the 

 annual election of officers was held. Donations to the library 

 were received as follows : /Annual Report of Smithsonian 

 Institution, Report of U. S. National Museum, Contributions 

 to the National Herbariuni. At the close of the business ses- 

 sion a number of miscellaneous current scientific topics were 

 brought up for discussion. 



June 7, 1906. — Regular monthly meeting of the Insti- 

 tute. The deaths of Isaac S. Yarnall and John T. Reynolds, 

 members of the Institute, were reported. Biographical notices 

 of these members appear elsewhere. Mrs. John Grim, Miss 

 Nellie Schoch and C. Edgar Ogden were elected to member- 

 ship. Lewis Kirk gave an interesting talk on " The Weather," 

 with particular attention to notable storms in this locality. 



July 5, 1906. — Regular monthly meeting of the Institute. 

 Short business session, followed by discussion of current scien- 

 tific topics. Among other things, the matter of various alleged 

 Indian remains existing in the county was brought up, and it 

 was reccnnmended that efforts be made to obtain photographs 

 of the same l)ef(jre thev were destroyed. 



