TABLE OF CONTENTS. 
ORIGINAL PAPERS. 
PAGE. 
The electrical conductivity of non-agueous solutions (with 
plates II to VII), . . Azariah Thomas Lincoln , 395 
The influence of the presence of pure metals upon plants, 
Edwin Bingham Copeland , and Louis Kahlenberg , 454 
Nuclear phenomena in certain stages in the development of 
the smuts (with plates VIII and IX), Robert A. Harper , 475 
The inter-generation period (with plates X and XI), 
Charles H. Chandler , 499 
Combinations of Pythagorean triangles as giving exercises 
in computation, . . Truman Henry Baf'ord, 505 
Chartism — a chapter in English industrial history, 
Edward D. Jones , 509 
A study of the Greenback movement, 1876-84, 
Orin C. Libby , 530 
On some points in the structure of the larva of Epischura 
lacustris , Forbes, ... (7. Dwight Marsh, 544 
The unsteady motion of viscous liquids in capillary tubes, 
Henry Charles Wolff\ 550 
MEMORIAL ADDRESSES. 
Harlow S. Orton, . 
John Goldesborougii Meachem, 
Christian Preusser, 
Alice Marian (Aikens) Bremer, 
James Clarke Foye, 
Wayland Samuel Axtell, 
. James D. Butler , 554 
John G. Meachem , Jr., 555 
557 
559 
. Janette W. Foye , 560 
Luta Axtell, 560 
