Sixth Year. 

 Vol. XI. No. 2S2 



NEW YORK, June 29, li 



Single Copies, Ten Cents. 

 53.50 Per Year, in Advance. 



Entered at New York Post-Office aa Second-Clas3 Mail-Matter. 



Editorial 



Lord Salisbury on Technical Educatic 

 Population to drift to Cities, as show 



— The Tendency of 

 Australia. 



The Three Americas Permanent Exhibition 

 Wheat-Cultivation .... 

 The Marine Biological Laboratory 

 Scientific News in Washington. 



The Proposed New Building for the National Museum 

 Causes of the Cholera Epidemic in Japan in 1886 

 Drunkenness as a Disease 

 The Vacuum Air Ship again 



Electrical Science. 



Tests of Ihe Tudor Accumulalor 

 The Magnetization of Watches 

 Conductivity of a Vacuum 

 Wmdmills for Electric-Lighting 



3°3 



3°3 



30s 

 3'=5 



306 

 306 

 307 

 307 



307 

 30S 

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 308 



Health Matters. 



Cremation of Garbage 



Milk ..... 



Action of Boiling Water on Typhoid Bacilli 



Deaths from Poison 



Death in Blizzards due to Asphyxia 



Croton Water .... 



Hair- Washes .... 



Book-Reviews. 



The Social Influence of Christianity 



Notes and News . . 



Letters to the Editor. 



The Ancient Works of Ohio . . Cyrus Thomas 



Distillation of Mercury at Ordinary Temperatures W. Hallock 



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The Science Company, Publishers, ^7 Lafayette Place, New York. 



London assent: G. E. Stechert, 26 Kino- William St., Strand. 



Head the Railway Articles in Scribner's Magazine 



The 510-feet Span Steel Arches of the New Harle 



EACH IS BEAUTIFULLY ILLUSTRATED :- 



Building of a Railway by Thos. Curtis Clarke, (June Number.) 

 Feats of Railway Engineering by John Bogart, July " 

 American Locomotives and Cars by M. N. Forney, Aug. " 

 Passenger Travel by Gen. Horace Porter, Sept. " 



Railroad Employee's Life by B. B. Adams Jr., Oct. " 



Send Stamp for " About Railways." a sei 

 erest to every one. $3.00 a year, 25 cts. 



of 20 Questions and An 



The July number contains, in addition to the article on Railway 

 Engineering Feats by John Bogart. 



An Astronomer's Summer Trip. By Charles A. Young. With 

 illustrations from photographs made by the American Eclipse Ex- 

 pedition of 18S7 to Russia. 



Life and Travel in Modern Greece. By Thomas D. Seymour. 



Illustrated from original drawings by F. D. Millet and others. 



Also Poems by G. P. Lathrop, Graham R. Tomson, Arlo Bates, Allen Simpson 



Botsford. Story by T. R. Sullivan. A novelette by Henry James. 



CHARLES SCRIBNER & SONS, 743 8z: 745 Broadway, New York. 



