116 ANNUAL KEPORT SMITHSONIAN INSTITUTION, 1916. 



Submarine signalling, by R. F. Blake. 11 pp. (Publ. 2386.) 



The earthquake in the Marsica, Central Italy, by Ernesto Mancini. 4 pp., 1 pi. 



(Publ. 2387.) 

 Atlantis, by Pierre Termier. 16 pp. (Publ. 2388.) 



Evidences of primitive life, by Charles D. Walcott. 21 pp., 18 pis. (Publ. 2389.) 

 The place of forestry among natural sciences, by Henry S. Graves. 13 pp. (Publ. 



2390.) 

 Lignum Nephriticum, by W. E. Safford. 28 pp., 7 pis. (Publ. 2391.) 

 Impressions of the voices of tropical birds, by Louis Agassiz Fuertes. 25 pp., 



16 pis. (Publ. 2392.) 

 The Eskimo Curlew and its disappearance, by Myron H. Swenk. 16 pp., 1 pi. 



(Publ. 2393.) 

 Construction of insect nests, by Y. Sjostedt. 7 pp., 3 pis. (Publ. 2394.) 

 Olden time knowledge of Hippocampus, by C. R. Eastman. 9 pp., 4 pis. (Publ. 



2395.) 

 Heredity, by William Bateson. 86 pp. (Publ. 2396.) 

 Some aspects of progress in modern zoology, by Edmund B. Wilson. 14 pp. 



(Publ. 2397.) 

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



Dominian. 35 pp., 5 maps. (Publ. 2398.) 

 Excavations at Tell el-Amarna, Egypt, in 1913-14, by Ludwig Borchardt. 13 



pp., 13 pis! (Publ. 2399.) 

 Vaccines, by L. Roger. 8 pp. (Publ. 2400.) 

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



Beadle. 22 pp., 13 pis. (Publ. 2401.) 

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



21 pp. (Publ. 2402.) 

 Sir David Gill, by A. S. Eddington. 12 pp. (Publ. 2403.) 

 Walter Holbrook Gaskell, by J. N. Langley. 10 pp. (Publ. 2404.) 



Special publications. 



The following special publications were issued in octavo form: 

 Publications of the Smithsonian Institution issued between January 1 and 



June 30, 1915. Published July 20, 1915. 2 pp. (Publ. 2372.) 

 Publications of the Smithsonian Institution issued between January 1 and 



September 30, 1915. October 25, 1915. 2 pp. (Publ. 2377.) 

 Publications of the Smithsonian Institution issued between January 1 and 



December 31, 1915. January 27, 1916. 3 pp. (Publ. 2405.) 

 Publications of the Smithsonian Institution issued between January 1 and 



March 31, 1916. April 20, 1916. 1 p (Publ. 2413.) 

 Classified list of Smithsonian publications available for distribution, October 



15, 1915. November 4, 1915. iv+32 pp. (Publ. 2375.) 

 Opinions rendered by the International Commission on Zoological Nomenclature. 



Opinion 67. April 27, 1916. Pp. 177-182. (Publ. 2409.) 

 Rules and regulations for the conduct of the work of the National Advisory 



Committee for Aeronautics. July 16, 1915. 5 pp. 

 Sources of nitrogen compounds in the United States. By Chester G. Gilbert. 



June 30, 1916. 12 pp. (Publ. 2421.) 



PUBLICATIONS OF THE UNITED STATES NATIONAL MUSEUM. 



The publications of the National Museum are: (a) The annual 

 report to Congress; (5) the Proceedings of the United States Na- 



