MAY 19, 1923 SCIENTIFIC NOTES AND NEWS 221 
SCIENTIFIC NOTES AND NEWS 
The National Academy of Sciences met at the National Museum April 23- 
25. On the evening of April 23 an address was given by Dr. W. W. Camp- 
BELL: Résumé of results obtained by the Crocker Eclipse Expeditions from Lick 
Observatory. A reception followed in the galleries of the Museum. 
The annual meeting of the American Geophysical Union was held at the 
Carnegie Institution on April 17-19. The following sections held meetings: 
Geodesy, Seismology, Meteorology, Terrestrial Magnetism and Electricity, 
Oceanography, Volcanology, and Geophysical Chemistry. 
At the Bureau of Standards Physics Club on Wednesday, April 18, Pro- 
fessor R. A. MILuikan spoke on The penetrating radiations of the upper air. 
Dr. L. Srzperstern lectured on The helium atom at the Bureau of 
Standards, Monday, April 23. : 
The following two meetings were held in the Assembly Room of the 
Carnegie Institution. Thursday, April 19. Program: R. A. MILLIKaNn: 
Present problems in the field of atomic structure and their bearing upon the 
nature of ethereal radiations. Wednesday, April 25. Program: A. A. 
Micuetson: Application of interference methods to astronomy. 
In connection with the annual meeting of the Association of Scientific 
Apparatus Makers, held in Washington on April 20, there was an exhibit 
of apparatus in the Industrial Building, Bureau of Standards. A number of 
manufacturers displayed some of their newer developments. 
Dr. Sven Henin, the Swedish explorer, gave a talk in the National Museum 
on Wednesday, April 18, on Discoveries in Eastern Turkistan and Southern 
Tibet. 
Dr. GrorcE KimBatu Burcesss has been appointed director of the Bureau 
of Standards, to succeed Dr. S. W. Srrarron. Dr. Burgess entered the 
Bureau as assistant physicist in 1903, was associate physicist from 1905 
until 1913, when he became chief of the Division of Metallurgy, which 
position he has held up to the present time. 
At the meeting of the American Philosophical Society in Philadelphia on 
April 11 the John Scott medal and prize were awarded by the City of Phila- 
delphia to Dr. ArtHuR L. Day, director of the Geophysical Laboratory, 
Carnegie Institution of Washington, for his work in the interpretation of 
geological phenomena and for producing optical glass. 
Mr. New M. Jupp, curator of American Archeology, U. 8. National 
Museum, will leave Washington May 1 to resume direction of the National 
Geographic Society’s expedition for the exploration of Pueblo Bonito, one 
of the largest and best preserved prehistoric ruins in the southwestern United 
States. 
