456 CONTENTS. 



ARCHEOLOGY— ^°^' 



Lacustriax Cities of .Switzerland 345 



Fauna of Middle Europe during the Htone Age 361 



Keport upon the Antiquarian and Ethnological Collections of the 



Cantonal Museum at Lausanne 367 



Eeport to the Commissioners of the Museums of the Canton of Vaud on 



the Eesearches made at Concise 376 



Ancient Mounds at St. Louis, Missouri 386 



Instructions for Archjeological Investigations in the United States.- 392 

 Circular on the Ancient Mining Operations of the Lake Superior Copper 



Region .' 396 



Suggestions relative to au Ethnological Map of North America 397 



NATURAL HISTORY— 



List of Birds of the District of Columbia. By E. Coues and D. W. 



Prentiss 399 



PRIZE QUESTIONS OF SCIENTIFIC SOCIETIES— 



Holland Society of Science at Harlem 422,427,434, 440 



Batavian Society of Experimental Philosophy at Rotterdam 446 



Society of Arts and Sciences at Utrecht 452 



Royal Academy of the Netherlands _ 453 



