SCIENTIFIC NOTES AND NEWS 589 



Mr. Victor R. Gage, mechanical engineer, of the aeronautic power 

 plants section of the Bureau of Standards, has resigned to accept a 

 position in the Department of Experimental Engineering, Cornell 

 University, Ithaca, New York. 



Mr. C. W. GiLMORE, of the Division of Paleontology, National 

 Museum, through the courtesy of Mr. O. H. Reinholt, of the Treasury 

 Department, was enabled to visit the cave recently discovered in the 

 limestone rocks in the vicinity of Keedysville, Maryland. It was 

 hoped that the remains of extinct animals might be found, but none 

 were discovered. Though not as extensive as the Luray caverns, 

 the cave contains several lofty rooms and passages, decorated with 

 various forms of stalactitic incrustations. 



Dr. AivES Hrdlicka, of the U. S. National Museum, is delivering a 

 course of lectures on man's antiquity and on the origins of the more 

 important existing races and nations, at the American University, 1907 

 F Street. 



Dr. Carl O. Johns, chief of the color laboratory at the Bureau of 

 Chemistry, U. S. Department of Agriculture, resigned in November to 

 become director of a newly-established department of general research 

 for the Standard Oil Company of New Jersey. 



Dr. Adolph Knopf, formerly of the U. S. Geological Survey, has 

 been appointed associate professor of physical geology and petrology 

 at Yale University, New Haven, Connecticut. 



Mr. J. O. Lewis, chief petroleum technologist of the Bureau of 

 Mines since 191 8, resigned on November 15 to take up private work 

 as petroleum technologist. Mr. A. W. Ambrose, superintendent of 

 the Bureau's experiment station at Bartlesville, Oklahoma, has been 

 appointed to succeed Mr. Lewis. 



Mr. S. K. LoTHROP has returned to Washington after spending 

 the summer at the British Museum and other English institutions. Mr. 

 Lothrop will resume his studies on the Central American pottery in 

 the division of American Archeology of the National Museum, 



Major Lawrence Martin, of the General Staff Corps, U. S. Army, 

 is giving the inaugural series of the Gilman Memorial Lectures on 

 Geography, at Johns Hopkins University, Baltimore. The general 

 subject of the series is Geographic factors affecting foreign trade. 



Mr. T. W. NoRCROSS, assistant chief engineer of the Forest Service, 

 U. S. Department of Agriculture, since 191 3, has been appointed chief 

 engineer of the Service to succeed O. C. Merrill, who resigned recently 

 to accept the secretaryship of the Federal Power Commission. 



Mr. Samuel R. Parsons, associate physicist, of the aeronautic 

 power plants section, Bureau of Standards, has resigned to accept a 

 position as instructor in physics at the University of Michigan, Ann 

 Arbor, Michigan. 





