IV C0NTENT6. 



PAGE 



XII. Recent Observations of Variable Stars. By Edward C. 



Pickering 296 



XIII. The Phases of the Moon. By Arthur Searle .... 310 



XIV. Mean Right Ascensions of 133 Stars near the North Pole, 



observed in 1S82 and 1883, at the Field Memorial Observa- 

 tory of Wiiliams Colkfje. By Truman Henry Safkoud 321 

 XV. A New Theory of Cohesion applied to the Thermodynamics of 



Liquids and Solids. By Harold Whiting, A. M. . . 353 



Proceedings 467 



Memoirs : — 



Ezra Abbot 487 



Calvin Ellis 492 



Evangelinus Apostolides Sophocles 502 



Stephen Alexander 504 



John Lawrence Le Conte 511 



George Engelmann 516 



Arnold Guyot 522 



Andrew Atkinson Humphreys 526 



William Augustus Norton 530 



J. Lawrence Smith 535 



Joachim Barrande 539 



Jean-Baptiste-Andre Dumas 545 



Oswald Heer 556 



Fran9ois-Auguste-Alexis Mignet 559 



Sir Edward Sabine .560 



Johann Friedrich Julius Schmidt 564 



Gabriel Gustav Valentin 567 



Charles Adolphe Wurtz 568 



List of the Fellows and Foreign Honorary Members . . 571 

 Index 579 



