422 



SCIENCE 



[N. S. Vol. XLI. No. 1055 



assistant; 6. Benet, '13, M.D., laboratory as- 

 sistant; and Miss Edith I. Cox, Miss Geraldine 

 K. Martin, Miss Helen Park and Miss Marion 

 Wilson, operating nurses. 



Dr. E. a. Eeeves, professor of opthalmology 

 in the University of Toronto, president of the 

 British Medical Association for the meeting 

 held in Toronto in 1906, has become professor 

 emeritus. 



Dr. B. H. a. GrROTH has resigned his posi- 

 tion as plant physiologist in the department of 

 botany of the New Jersey College experiment 

 Station, to become director of the experiment 

 station under the government of the Republic 

 of Panama. After April 15 he wiU be in 

 Panama City. 



Dr. Karl Van Norden, formerly in the re- 

 search department of John Hopkins Hospital, 

 who has been an officer in the German army 

 since the beginning of the war, was seriously 

 wounded at the battle of Lodz but is now 

 about to return to the front. 



Dr. E. 0. HovEY, of the American Museum 

 of Natural History, has gone to the West 

 Indies to continue the studies on the volcanoes 

 of the Lesser Antilles, which he began some 

 years ago when the great eruptions on the 

 islands of Martinique and St. Vincent oc- 

 curred. He will devote his time particularly to 

 the Grande Soufriere of Guadeloupe, Mount 

 Pele of Martinique, the Soufriere of St. Vin- 

 cent and the boiling lake of Dominica, collect- 

 ing gases from the fumeroles and making tem- 

 perature observations, and taking note of the 

 changes which have occurred since his visit 

 in 1908. The expedition is undertaken through 

 the aid given to the museum by the Angelo 

 Heilprin Exploration Fund established by 

 Mr. and Mrs. Paul J. Sachs. 



The departments of geology of Harvard 

 University and Massachusetts Institute of 

 Technology announce that Dr. Ealph Arnold 

 will give a series of ten lectures on the " Geol- 

 ogy of Petroleum." The first five lectures will 

 be given from 4:30 to 5:30 p.m. on April 5, 

 6, T, 8 and 9 in the geological department at 

 Harvard. The last five lectures will be given 

 from 4 :30 to 5 :30 p.m. on April 12, 13, 14, 15 



and 16 in the geological department of the 

 institute. 



F. C. Langenberg, of Harvard University, 

 and R. G. Webber, of Ohio University, Athens, 

 Ohio, at the recent New York meeting of the 

 American Institute of Mining Engineers read 

 a paper on the Structure and Hysteresis Loss 

 in Medium-Carbon Steel. It was illustrated 

 by microphotographs of the physical structure, 

 and curves of the hysteresis loss in a series of 

 steels heat-treated to different temperatures. 



Professor C. F. Shoop, of the Experimental 

 Engineering Department of the College of 

 Engineering of the University of Minnesota, 

 recently read a paper before the Minnesota 

 Society of Engineers and Surveyors in annual 

 convention in St. Paul. The title of the paper 

 was " The Abrasion Value of Various Con- 

 crete Aggregates in Concrete Eoads." 



A memorul tablet has been placed in the 

 house at Cosenza, Italy, where the eminent 

 alienist, B. Miraglia, was born, and a similar 

 tablet is to be placed in the insane asylum at 

 Aversa, the scene of his /work, and a street in 

 Aversa is to be named after him. 



Miss Davy, niece of Sir Humphry Davy, has 

 presented to the Royal Institution, London, a 

 bust of the great chemist executed by Samuel 

 Joseph in 1822. 



Frank Asbury Sherman, professor of mathe- 

 matics at Dartmouth College from 1871 until 

 his retirement as professor emeritus in 1911, 

 died on February 25 in his seventy-fourth 

 year. 



Sir George Turner, distinguished for his 

 work on the rinderpest and on leprosy, died 

 on March 12 at the age of sixty-four years 

 from leprosy, contracted during research work 

 to discover a cure for the disease. 



Dr. E. von Esmarch, formerly director of 

 the Kaiser Wilhelm Institute at Dresden, died 

 on February 5, at the age of iifty-nine years. 



Dr. Julius Arnold, professor of patho- 

 logical anatomy at the University of Heidel- 

 berg, died on February 6, in his eightieth 

 year. 



The Washington Academy of Sciences held 

 a joint meeting with the Biological Society 



