LIST OF OFFICEKS FOR 1888. 



President, Harrison Allen. 



r George L. Goodale, 

 Vice-Presidents, < Henry S. Wii-liams, 



C Henry F. Osborn. 

 Secretary, Samuel F. Clarke. 

 Treasurer, William T. Sedgwick. 



Members of the Executive Committee elected from the 

 Society at Large. 

 Richard Rathbun, -Chtvm.es V. -Rw*^ 



George H. Williams. 



LIST OF HONORARY MEMBERS. 



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

 Professor of Geology, Yale College. 

 Yale College ., New Haven., Conn. 

 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 Institute, 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., Penn. 

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



Professor of Palaeontology, Yale University. 

 8 Pcabody Museum., New Haven., Conn. 



