JOURNAL OF THE WASHINGTON ACADEMY OF SCIENCES VOL. 11 NO. IS 



cations of hydrodynamics to aeronattttcs; October 17, Arthur L. Day: The 

 study of California earth movements; October 24, H. G. Gale: Earth tides. 

 The National Museum has received the Hubert Ward collection of African 

 ethnologica from Paris, containing 19 sculptures by Mr. Ward and 2(300 

 specimens of the arms and implements of the Africans of the Congo. 



Dr. Elmer D. Ball, formerly Assistant Secretary of Agriculture, has 

 entered upon his new duties as director of scientific work for the Department 

 of Agriculture. 



Mr. E. F. HiCKSON, until recently associate engineer in the department 

 of technical control, American Writing Paper Company, Holyoke, Massachu- 

 setts, has returned to the Bureau of Standards as associate chemist. 



Mr. C. E- Mangels has resigned as chemist in charge of the commercial 

 dehydration laboratory of the Bureau of Chemistr}^ U. S. Department of 

 Agriculture, to accept the position of cereal chemist at the North Dakota 

 Agricultural Experiment Station at Fargo, North Dakota. 



Dr. Truman Michelson, of the Bureau of American Ethnology, returned 

 in October from three and a half months' field work among the Fox Indians 

 of Iowa. 



Prof. Edward E. Richardson discussed the Philosophical aspects of Ein- 

 stein's theory of relativity before the Society for Philosophical Inquiry at the 

 Public Library on October 1. 



Dr. L. I. vShaw, assistant chief chemist of the Bureau of Mines, has been 

 transferred to the Columbus, Ohio, ceramic experiment station of the Bureau, 

 where he will have charge of some newly organized research on refractory 

 products. 



Dr. George Otis Smith, director of the U. S. Geological Survey, addressed 

 the annual meeting of the New York State Oil Producers' Association at 

 Olean, New York, on September 31, on The real value of oil. 



Dr. Merwin Porter Snell, a member of the scientific staffs of the Smith- 

 sonian Institution and the Bureau of Fisheries in the years 1SS1-1S89, died 

 at his home at Stamford, Connecticut, on September 23, 1921, at the age of 

 fifty-eight. 



Prof. A. Tadakadate, of the Imperial University of Tokyo, visited Wash- 

 ington in August, while on his way to the international conference on weights 

 and measures at Paris. 



Dr. C. W. Waidner, Chief of the Heat Division of the Bureau of Standards, 

 has been appointed Chief Physicist of the Bureau to succeed the late E- B. 

 Rosa. 



Secretary Charles D. Walcott of the Smithsonian Institution returned 

 from his field work in October. He reports the coldest and most disagreeable 

 field season he had ever known in the Canadian Rocky Mountains. Paleon- 

 tological and geological work was greatly hindered by mist and snow. 



Messrs. J. E. Walters, F. W. Schroeder, and Frank Porter, chemists 

 at the helium plant of the Bureau of Mines at Petrolia, Texas, have been 

 transferred to the new cryogenic laboratory of the Bureau in Washington. 



Dr. R. C. Wells of the U. S. Geological Survey has been appointed treasurer 

 of the Chemical Society of Washington to fill the vacancy caused by the re- 

 moval of Dr. L. I. Shaw from Washington. 



