CONTENTS. V 



PAGE 



Proceedings 409 



Memoirs : — 



John Bacon 419 



Augustus Allen Hayes . 422 



Chandler Robbins 427 



William Barton Rogers 428 



J^athaniel Thayer 438 



Charles Avery 442 



Henry Draper 444 



George Perkins Marsh 447 



Isaac Ray 457 



Theodore Ludwig Wilhelm von Bischoff 458 



Joseph Liouville 460 



Emile Plautamour 461 



Friedrich Wohler 463 



List of the Fellows and Foreign Honorary Members . . 467 

 Index 475 



