236 



SCIENCE 



[N. S. Vol. SLVII. No. 1210 



purpose of developing instruments for the Ord- 

 nance Department for measuring velocities of 

 projectiles. 



Dr. E. R. Dykstra, professor of surgery in 

 tiie department of veterinary medicine of the 

 University of Kansas, has been appointed 

 veterinarian of the Kansas State Board of 

 Agriculture for the year 1918. 



Cecil C. Thomas has resigned his position 

 as instructor in botany at the New York State 

 College of Agriculture at Cornell University, 

 to accept an assistantship in plant disinfection 

 with the Federal Horticultural Board of the 

 U. S. Department of Agriculture. 



Major Samuel C. Prescott, of the Sani- 

 tary Corps, National Army, who is professor 

 of biology at the Massachusetts Institute of 

 Technology, is about to make an extended 

 tour through the cantonments of the South 

 and West. 



Dr. Edward Clark, of Buffalo, has been re- 

 lieved of his duties as acting chief of the 

 division of child hygiene of the state depart- 

 ment of health at Albany, and has returned 

 to his former duty as sanitary supervisor of 

 the western part of the state, with station at 

 Buffalo. Dr. Herman F. Senftner, New York 

 City, has succeeded Dr. Edward Clark as the 

 head of the division of child hygiene, pending 

 the release of Dr. Henry L. K. Shaw, Albany, 

 from military service. 



Dr. E. H. Leslle has resigned from his 

 position as chief chemist of the General 

 Petroleiun Corporation of Los Angeles, and 

 has assumed new duties as technical adviser 

 to the sales department of the U. S. Indus- 

 trial Alcohol Company and the U. S. Indus- 

 trial Chemical Company. He will be located 

 in their main offices at 27 William Street, 

 New York City. 



Dr. W. K. Fisher, of Stanford University, 

 has been granted leave of absence until August 

 15 to accompany the University of Iowa's bio- 

 logical exi)edition to the British West Indies. 



Professor Henry C. Sherman, of Columbia 

 University, lectured on February 27, before 

 the Chicago Institute of Medicine upon 

 " Fundamental Requirements in Human Nu- 



trition," and on February 28 spoke to the City 

 Club of Chicago on "America's Food Prob- 

 lem " and to the faculty a.nd students of 

 Illinois University Medical CoUt^e on " Nu- 

 trition and Food Economics." 



The annual address of the Alpha Omega 

 Alpha Honorary Medical Fraternity at West- 

 ern Reserve Medical School was delivered on 

 February 20 by Dr. Roger G. Perkins, pro- 

 fessor of hygiene, whose subject was " Medical 

 Conditions in Roumania," Major Perkins 

 has just returned from Roumania with the 

 American Red Cross Commission. 



The building for an aeronautical school to 

 be erected at the Carnegie Institute of Tech- 

 nology is to be called the Langley School of 

 Aeronautics, in honor of Samuel Pierpont 

 Langley. 



Dr. Samuel G. Dixon, commissioner of the 

 Pennsylvania State Department of Public 

 Health, president of the Academy of Natural 

 Science, formerly professor of hygiene in the 

 University of Pennsylvania, died on February 

 26, at the age of sixty-sis years. 



Dr. Arthur H. Elliott, emeritus chief 

 chemist of the New York Consolidated Gas 

 Company and emeritus professor of chemis- 

 try and physics in the College of Pharmacy, 

 died on March 2, at the age of seventy years. 



Charles A. Hart, systematic entomologist 

 of the State Natural History Survey, died sud- 

 denly of heart disease on February 17. He 

 was a member of the American Society of 

 Zoologists. 



The death is announced of Professor Chris- 

 tian Homung, Sc.D., on January 31, 1918, of 

 arteriosclerosis, aged seventy-three years. For 

 fifty years Professor Hornung held the chair 

 of mathematics in Heidelberg University, 

 Tiffin, Ohio. He is referred to as " a distin- 

 guished scholar, author of mathematical texts 

 and correspondent of many noted astronomers 

 and mathematicians and a member of the na- 

 tional societies devoted to his profession." 



The Rev. A. T. G. Apple, M.A., died in 

 Lancaster, Pa., on February 5, of angina pec- 

 toris, aged fifty-eight years. For the past 

 eleven years Professor Apple has been pro- 



