MAR. 4, 1923 SCIENTIFIC NOTES AND NEWS 95 
The American Nature Association has published the first number of its 
new monthly periodical, ‘““Nature Magazine.’ This publication provides 
accurate and readable information on outdoor subjects and presents the 
material in an entertaining fashion. All information can be obtained from 
the American Nature Association, 1214 Sixteenth Street, Washington, D. C. 
The editors are P. 8. RipspatE and A. N. Pack. 
The Maryland-Virginia-District of Columbia branch of the Mathematical 
Association of America held a semiannual meeting at the Bureau of Standards, 
December 9, 1922. 
Dr. Wiui1am N. Bere has resigned his position as pathological chemist 
in the Pathological Division, Bureau of Animal Industry. He is now en- 
gaged in the manufacture of biological products at the Berg Biological 
Laboratory, Brooklyn, New York. 
Mr. C. A. Briae@s, associate physicist, Division of Weights and Measures, 
Bureau of Standards, has been transferred to the U. 8. Department of 
Agriculture to the post of live stock weight supervisor in the Packers and 
Stockyards Administration. 
Mr. M. R. CampsBeE tu, geologist in charge of the coal section of the U. S. 
Geological Survey for the past 16 years, has been relieved of this duty at his 
own request that he may devote himself to the physiographic work of the 
Survey. Mr. W. Taytor TuHom, Jr., has been assigned to succeed Mr. 
Campbell in the coal work. 
Dr. J. C. Karcuer of the Sound Laboratory, Bureau of Standards, has 
resigned to accept a position as technical adviser to the production manager 
of the Western Electric Company, Chicago, Illinois. 
Mr. W. P. Wooprinec has been granted leave of absence from the U. S. 
Geological Survey to do private work in South America. 
