IV CONTENTS. 



Page 

 XVI. On the Accuracy of the Improved Voltameter. By Theodore 



William Richards and George W. Heimrod . . . 413 



XVII. 1. The Northern Carices of the Section Hyparrhenae. 



2. The Variation of Some Boreal Carices. By M. L. Fernald 445 



XVIII. Apatite from Minot, Maine. By John E. Wolff and 



Charles Palache 515 



XIX. A Description of Epidote Crystals from Alaska. By Charles 



Palache . 529 



XX. On the Specific Heats and the Heat of Vaporization of the Par- 

 affine and Methylene Hydrocarbons. By Charles F. 



Mabery and Albert H. Goldstein 537 



XXI. Certain Sense Organs of the Proboscis of the Polychaetous A nne- 



lid Rhynchobolus dibranchiatus. By Adele Oppenheimer 551 



XXII. The Composition of Petroleum. By Charles F. Mabery . 563 



Records of Meetings 599 



A Table of Atomic Weights. By Theodore William Richards . . 630 



Report of the Council 635 



Biographical Notices 635 



Augustus Lowell 635 



Truman Henry Safford 654 



Horace Elisha Scudder 657 



Joseph Henry Thayer 661 



John Fiske 665 



James Bradley Thayer 679 



Officers and Committees for 1902-1903 683 



List of the Fellows and Foreign Honorary Members . . . 685 



Statutes and Standing Votes 693 



Rumford Premium • 703 



Index 705 



