P K O C E E D I N G S 

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AMERICAN PHILOSOPHICAL SOCIETY, 



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VOL. XXVII. NOVEMBER 21, 1889. No. 131. 



TABLE OF CONTENTS. PA r,E 



Commemoration of the Centennial Anniversary of the American 

 Philosophical Society's Occupation of its Present Hall, November 

 21, 1889. (Five plates.} 



Proceedings at the Hall 4 



Proceedings at the Dinner 18 



Laws and Regulations of the American Philosophical Society, to- 

 gether with the Charter of the Society. . , 53 



A List ot the Officers and Councilors of the American Philosophi- 

 cal Society from 1769 to 1890. Compiled by Henry Phillips, 



Jr .- 83 



Index of Officers and Councilors 103 



List of Surviving Members of the American Philosophical Society. 



Corrected to January 17, 1890, by Henry Phillips, Jr 107 



List of the Members of the American Philosophical Society 121 



Index of Members 189 



Exchanges and Presentations made by the American Philosophical 



Society, 1890 201 



Index to Vol. XXVII 215 



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 In order to secure prompt attention it is requested that all corre- 

 spondence be addressed simply "To the Secretaries of the American 

 Philosophical Society, 104 S. Fifth St., Philadelphia." 



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