Febeuaey 27, 1920] 



SCIENCE 



211 



old Tilbury Fort and of timber and lead 

 from the Tower of London, was designed 

 by Wren and built at a cost of £520, the money 

 being derived from the sale of spoilt gun- 

 powder. 



A Research Medical Society was organized 

 recently at the Loyola University School of 

 Medicine. The following officers were elected 

 for the academic year 1919-20: President, 

 R. M. Strong; Vice-president, F. M. Phifer; 

 Secretary, A. B. Dawson; Treasurer, E. S. 

 Maxwell; Memhers of the council, S. A. 

 Matthews, George W. Wilson, and F. B. Lusk. 



Professor Frederic S. Lee, of Columbia 

 University, lectured recently on "Problems of 

 industrial physiology " before the Royal Ca- 

 nadian Institute, Toronto, and the Johns Hop- 

 kins School of Hygiene and Public Health. 



Professor H. N". Holmes, head of the chem- 

 istry department in Oberlin College, has re- 

 cently lectured at Case School of Applied Sci- 

 ence, Cleveland, and before the Cincinnati 

 section of the American Chemical Society on 

 " The industrial applications of colloid chem- 

 istry." 



An address on the " Theories regarding the 

 formation of phos.phate deposits " was given at 

 the Ohio Agricultural Experiment Station on 

 February 16, by Dr. Walter H. Bucher, of the 

 department of geology of the University of 

 Cincinnati. 



Professor H. Shipley Fry, director of chem- 

 ical laboratories, University of Cincinnati, 

 lectured on " The electronic conception of 

 valence and the constitution of benzene" be- 

 fore a joint meeting of the Leigh Chemical 

 Society and the Lexington, Kentucky, section 

 of the American Chemical Society at G-eorge- 

 town College on February 13. 



At a meeting of the Faculty Club of the 

 University of Mississippi on February 2, 1920, 

 Dr. Hiram Byrd, director of the department 

 of hygiene, delivered a lecture on " Rattle- 

 snakes." 



The president of the Royal College of Physi- 

 cians, London, has appointed Dr. F. W. An- 

 drews to be Harveian orator, and Dr. R. C. 



WaU to be Bradshaw lecturer for this year. 

 The council has appointed Dr. Martin Flack 

 to be Milroy lecturer for 1921. The Oliver- 

 Sharpey prize for 1920 has been awarded to 

 Professor Emil Roux, of the Pasteur Institute, 

 Paris. 



UNIVERSITY AND EDUCATIONAL 

 NEWS 



Mr. J. Ogden Armour has made a further 

 gift of six million dollars to the Armour In- 

 stitute of Chicago. A new site for the school 

 has been purchased at the cost of one million 

 dollars, and five million dollars will be ex- 

 pended on biiildings. 



At Yale University, Dr. W. H. Sheldon, 

 of Dartmouth College, has been appointed 

 professor of philosophy. Dr. W. R. Longley, 

 has been promoted to a full professorship of 

 mathematics. 



Dr. E. F. Hopkins, associate plant pathol- 

 ogist at the Alabama Polyteclmic Institute 

 and Exi)eriment Station, has been appointed 

 plant pathologist and assistant professor of 

 botany at the University of Missouri. Dr. 

 Hopkins will begin his work on April 1. 



Dr. C. L. Metcalf has been promoted to be 

 professor of entomology in the Ohio State 

 University. 



Dr. H. G. Fitzgerald has received an ap- 

 pointment as profesor of hygiene at the Uni- 

 versity of Toronto, to succeed Dr. J. A. 

 Amyst, who has been appointed deputy min- 

 ister of health in the Federal Department of 

 Health, Ottawa. 



DISCUSSION AND CORRESPONDENCE 



A PROPOSED METHOD FOR CARRYING 

 TRIANGULATION ACROSS WIDE GAPS 



So far as is known, the possibility of ex- 

 tending an arc of triangulation across straits 

 or arms of the sea has been limited in the past 

 to cases in which one shore is visible from the 

 other, or at most where the masts of a vessel 

 anchored in mid-channel are visible from both 

 shores. It has occurred to us that much wider 



