SEVENTEENTH YEAR OF PUBLICATION. 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.”) 
voi. ii. ess) 
No. LXXXII. 
OCTOBER 
1880 . 
CONTENTS 
Articles. page 
1. The Vehicle of Force. By 
Charles Morris 607 
2. Exploration in the Far East. . 620 
3. The Phenomena of Fluores- 
cence. By E. R. Hodges.. 625 
4. Gilbert White Reconsidered. . 632 
5. The Four Forces of Nature. 
By G. Whewell, F.I.C., &c. 639 
Analyses of Books. 
Nature’s Hygiene 644 
The Truth about Vaccination .. 646 
The Brain as an Organ of Mind 648 
Abstract of a Discourse on Orna- 
ment 651 
The Lifeof Thomas Wills, F.C.S., 
&c .. 652 
Analyses of Books — continued. 
Journal of the Society of Tele- 
graph Engineers 653 
Histoires des Coleopteres de 
France 654 
Revue Internationale des Sciences 
Biologiques 655 
Traite d’Anaesthesie Chirurgicale 657 
Report upon Cotton Insedls . . 658 
What constitutes Discovery in 
Science ? 660 
Elements of Chemistry, Theo- 
retical and Pradtical . . . . 661 
&c., &c. 
Correspondence 665 
Notes 667 
LONDON : 
3, HORSE-SHOE COURT, LUDGATE HILL. 
Where Communications for the Editor and Books for Review may he addressed. wr 
k M 
PRICE ONE SHILLING AND SIXPENCE. 
[The Articles and Reports in this Journal are Copyright .] 
