SEVENTEENTH YEAR OF PUBLICATION. 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.’') 
Articles. page 
1. Our Friends and how we Treat 
them 215 
2. Organic Synthesis and its So- 
cial Bearings 222 
3. Instindt and Mind. By S. 
Billing 228 
4. Modern Advances in Meteor- 
ology 235 
4. The Rate of Animal Develop- 
ment. By J. W. Slater .. 240 
Lectures. 
On Water and Air. By Prof. 
Tyndall, D.C.L.,LL.D.,F.R.S. 246 
Analyses of Books. 
Food and Beverages, their Im- 
purities and Sophistications . . 262 
Analyses of Books — continued, page 
A Short History of Natural Sci- 
ence, and of the Progress of 
Discovery from the time of the 
Greeks to the Present Day . . 264 
Lightning Conductors 265 
Proceedings of the Birmingham 
Philosophical Society .. .. 267 
Chapters from the Physical His- 
tory of the Earth 269 
The Story of the Earth and Man 271 
Some Teachings of Development 271 
The Kansas City Review . . . . 272 
Observations in Meteorology, 
Terrestrial Magnetism, &c. .. 272 
&c., &c. 
Correspondence. Notes. 
LONDON : 
3, HORSE-SHOE COURT, LUDGATE HILL. 
Where Communications for the Editor and Books for Review may be addressed. 
PRICE ONE SHILLING AND SIXPENCE. 
[The Articles and Reports in this Journal are Copyright.'] 
