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XIII. The Effect of Leakage at the Edges upon the Temperatures within a 

 Homogeneous Lamina through which Heat is being Conducted. 

 By B. O. Peirce 353 



XIV. On Evaporation from the Surface of a Solid Sphere. By H. W. 



Morse 361 



XV. Some Minute Phenomena of Electrolysis. By H. W. Morse . .^369 



XVI. Air Resistance to Falling Inch Spheres. By E. H. Hall .... 377 



XVII. (I.) A preliminary Synopsis of the Genus Echeandia. By C. A. 



Weatherby; (II.) Spermatophytes, new or reclassified, chiefly 

 Rubiaceae and Gentianaceae. By B. L. Robinson; (III.) Amer- 

 ican Forms of Lycopodium complanatum. By C. A. 

 Weatherby; (IV.) New and little known Mexican Plants, chiefly 

 Labiatac. By L. M. Fernald; (V.) Mexican Phanerogams. — 

 Notes and new species. By C. A. Weatherby 385 



XVIII. (LIIL)Orc the Equilibrium of the System consisting of Lime, Carbon, 



Calcium Carbide and Carbon Monoxide. By M. D. Thompson . 429 



XIX. Discharges of Electricity through Hydrogen. By J. Trowbridge . 453 



XX. Buddhaghosa's Dhammapada Commentary. By E. W. Burlin- 



game 465 



XXI. Records of Meetings 551 



Officers and Committees for 1910-11 577 



List of Fellows and Foreign Honorary Members 579 



Statutes and Standing Votes 591 



Rumford Premium 602 



Index 603 



