SEVENTEENTH YEAR OF PUBLICATION 
THE 
mm 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.”) 
358 
367 
Articles. page 
1. Insanity and its Difficulties . . 351 
2. The History of Antozone and 
Peroxide of Hydrogen. By 
Albert R. Leeds, Ph.D. .. 
3. The Origin of Falling Motion. 
By Charles Morris .. 
4. The Aurora 376 
5. Flighty Aspirations. By Fred. 
W. Brearey, Hon. Sec. to 
the A.S.G.B .. 381 
Analyses of Books. 
The Theory of Colour in its Re- 
lation to Art and Art-Industry 392 
The Constitution of the Earth.. 395 
Six Ledkures on Physical Geo- 
graphy 398 
PAGE 
Analyses op Books — continued . 
The Art of Bookbinding .. .. 400 
The Cobham Journals 401 
Science Ledkures for the People 402 
Eleventh Annual Report of the 
United States Geological and 
Geographical Survey of the 
Territories 403 
A Treatise on Statics 404 
Geodesy 405 
Correspondence. 
Some Fadks on Anthropology .. 406 
The Wild Birds’ Protedkion Adk 407 
Frost as a Vermin-Destroyer .. 407 
The Protedkion of Research .. 438 
Notes •• .. . 409 
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