312 SCIENTIFIC NOTES AND NEWS 



Mr. D. F. Hewett of the U. S. Geological Survey will make a special 

 examination of certain manganese claims in Cuba for the War Minerals 

 Relief Commission, beginning about April 15. 



Mr. Frank Leverett of the U. S. Geological Survey, stationed at 

 Ann Arbor, Michigan, is engaged in an investigation of road materials 

 for the Michigan State Highway Commission. 



Dr. W. M. Mann of the Division of Insects, U. S. National Museum, 

 has returned from a two months' trip through Spanish Honduras, 

 where he visited the principal fruit growing districts and made collec- 

 tions of economic insects, especially those attacking fruits. 



Messrs. William R. Maxon and Ellsworth P. Killip of the 

 National Museum returned to Washington on April 16, after spending 

 two months in botanical exploration in Jamaica. 



Messrs. O. E. Meinzer and J. C. Hoyt of the U. S. Geological 

 Survey returned to Washington from Hawaii in the latter part of April. 



Mr. H. D. Miser of the U. S. Geological Survey went to Fayette- 

 ville, Arkansas, on May i, to fill, until the end of the college term, 

 the position left vacant by Professor Drake in the Department of 

 Mining and Geology of the University of Arkansas. 



Mr. W. E. Myer of Nashville, Tennessee, has been at work in the 

 library of the Bureau of American Ethnology, putting into form many 

 years' field notes on the mounds and artifacts of Tennessee. 



Mr. Cyril S. Taylor resigned from the Bureau of Standards in 

 April to accept a position in the research bureau of the Aluminum 

 Company of America at New Kensington, Pennsylvania. He expects 

 to begin work in the new position in June. 



Mr. F. G. Tryon has been appointed Mineral Geographer on the 

 U. S. Geological Survey, and has been assigned to the Fuel section 

 of the Mineral Resources division. 



Mr. D. E. Winchester has returned temporarily to the U. S. 

 Geological Survey to finish his manuscript on "Oil shales of the Rocky 

 Mountain region." 



