ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES* 



Wednesday, January 19: The Washington Society of Engineers, at 

 the Cosmos Club, at 8 p. m. Program: 



Motion picture films {beginning 'promptly at 8 p. m.) showing construction work 

 on the Central Railway of Brazil. 



Thomas Riggs, Jr., member of the Alaska Engineering Commission: The work 

 of the Alaska Railroad. Lantern slides and motion pictures. 



Saturday, January 22 : The Philosophical Society, at the Cosmos Club, 

 at 8.15 p. m. Program: 



C G. Abbot: New proofs of the variability of solar radiation. Illustrated, 30 

 minutes. 



L. A. Bauer: Corresponding changes in the Earth's magnetic field, and the solar 

 radiation. Illustrated, 30 minutes. 



Wednesday, January 26: The Geological Society, at the Cosmos Club, 

 at 8 p. m. Program: 



G. F. LAtJGHiiiN: Faulting in the Tintic District, Utah. 20 minutes. 



P. S. Smith: Geology of the Lake Clark-Id) 'tarod region, Alaska. 15 minutes. 



F, W. Clarke: The inorganic constituents of marine invertebrates and tb 

 bearing on the origin of dolomite and phosphatic rock. 30 minutes. 



Tuesday, February 1 : The Anthropological Society, in the west study 

 room of the District Public Library, at 8 p. m. 



Wednesday, February 2 : The Washington Society of Engineers, at the 

 Cosmos Club, at 8 p. m. Program: 



Dr. C. M. Cobtjrn, Professor of Archaeology, Alleghany College: The work of 

 the Ancients, with special reference to Engine ering . 



1 The programs of the meetings of the affiliated societies will appear on this page if sent to the 

 editors by the first and fifteenth days of ea<;h month. 



