LIST OF OFFICERS FOR 1889. 



President, George L. Goodale. 



C Henry S. Williams, 

 Vice-Presidents, < Henry F. Osborn, 



^ G. Brown Goode. 

 Secretary, Henry H. Donaldson. 

 Treasurer, William T. Sedgwick. 



Alembers of the Executive Committee elected frojn the 



Society at Large. 



George H. Williams, J. Playfair McMurrich, 



LIST OF HONORARY MEMBERS. 



*Dana, James D.,Ph.D., LL.D., Mineralogy, Zoology, Geology. 

 Professor of Geology, Yale University. 

 Tale University., New Have7i.i Contt. 

 Leidy, Joseph, M.D., LL.D. 



Professor of Anatomy in the University of Pennsylvania, and 

 Director of the Biological Department, President of the 

 Faculty of the Wagner Free Listitute, and President of the 

 Academy of Natural Sciences, Philadelphia. 

 Lesley, J. P., A.M., LL.D. Geology. 



State Geologist of Pennsylvania. 

 907 Walnut street., Philadelphia., Penii. 

 Marsh, O. C, Ph.D., LL.D. Palaeontology. 



Professor of Palaeontology, Yale University. 

 8 Pcabody Museum., New Haven., Conn. 



