1887.] NATURAL SCIENCES OF PHILADELPHIA. 81 



MARCH 29. 



The President, Dr. Leidy, in the chair. 



Twenty-seven persons present. 



The death of Pierre Munzinger, a member was announced. 



The following were elected members : 



William P. Wilson, Kichard B. Westbrook, Albert W. Vail, 



George O. Praetoriiis and William Blasius. 



Prof W. K. Brooks of Baltimore was elected a correspondent: 



The following was ordered to be printed : 



