VI CONTENTS. 



REPORT OF THE SECRETARY — Continued, 



Page. 



Appendix 1. Report on the United States National Museum 28 



2. Report on the Bureau of American Ethnology 40 



3. Report on the International Exchanges .77™. "' ~60 



4. Report on the National Zoological Park 72 



5. Report on the Astrophysical Observatory 84 



6. Report on the Library 91 



7. Report on the International Catalogue of Scientific Literature. -. 101 



8. Report on publications 104 



EXECUTIVE COMMITTEE AND REGENTS. 



Report of Executive Committee Ill 



Proceedings of Board of Regents 116 



GENERAL APPENDIX. 



Review of astronomy for the year 1913, by P. Puiseux 131 



The utilization of solar energy, by A. S. E. Ackermann 141 



.The constitution of matter and the evolution of the elements, by Ernest Ruther- 

 ford 167 



Submarine signaling, by R. F. Blake 203 



The earthquake in the Marsica, Central Italy, by Ernesto Mancini 215 



Atlantis, by Pierre Termier 219 



Evidences of primitive life, by Charles D . Walcott 235 



The place of forestry among natural sciences, by Henry S. Graves 257 



Lignum Nephriticum, by W. E. Safford 271 



Impressions of the voices^of tropical birds, by Louis Agassiz Fuertes 299 



The Eskimo Curlew and its disappearance, by Myron H. Swenk 325 



Construction of insect nests, by Y. Sjostedt 341 



Olden time knowledge of Hippocampus, by C. R. Eastman 349 



Heredity, by William Bateson 359 



Some aspects of progress in modem zoology, by Edmund B. Wilson 395 



Linguistic areas in Europe: Their boundaries and political significance, by 



Leon Dominian 409 



Excavations at Tell el-Amarna, Egypt, in 1913-14, by Ludwig Borchardt 445 



Vaccines, by L. Roger 459 



Progress in reclamation of arid lands in the Western United States, by John 



B. Beadle 467 



Some recent developments in telephony and telegraphy, by Frank B. Jewett. 489 



Sir David Gill, by A. S. Eddington 511 



Walter Holbrook Gaekell, by J. N. Langley 523 



