CONTENTS. 



Report of the Secretary, A. D. 1890-91 5 



Act of Incorporation 29 



Narrative of the First Semi-Centennial 31 



Introduction by Vice-President Hadwen 34 



Address by President Parker .35 



Address by Robert Manning 54 



Remarlis by E. W. Wood, Wm. R. Sessions, J. G. Barker, and Homer 



T. Fuller 56, 57 



Banquet 58 



Essay by Prof. W. P. Brooks 85 



Essay by James Draper 107 



Essay by H. B. Watts 121 



Essay by Burton W. Potter 128 



Essay by J. Chauncey Lyford . 139 



Essay by E. W. Wood 154 



Essay by Charles Greenwood 162 



