1917.] NATURAL SCIENCES OF PHILADELPHIA. 149 



April 17. 

 Mr. Charles Morris in the Chair. 



Fifty persons present. 



The deaths of the following members were announced: Dr. 

 William H. Forwood, U. S. N., May 11, 1915, and Simon J. Martin, 

 March 24, 1917. 



Mr. John Rothermel made an illastrated communication on 

 the petrified forest and painted desert of Arizona. (No abstract.) 



The following were elected members: 



Charles W. Frost, 

 George L. Harrison, Jr., 

 Charles J. Rhoads, 

 J. Parker Norris, 

 Howard Fuguet. 



The following was ordered to be printed: 



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