TWENTY-SECOND YEAR OF PUBLICATION 
3 SEP 1885 
THE 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.”) 
|l 
CONTENTS. 
PAGE | 
PAGE 
Articles. 
1. The Population Question .. 505 
2. Relations between Spiritualism 
and Science: Mr. A. R. Wal- 
lace and R. M. N. By the 
Author of “ Scientific 
Materialism” 511 
3. Things versus Words. By 
Frank Fernseed 516 
4. Arsenical Poisonings by Wall- 
Papers and other Manufac- 
tured Articles. By Jabez 
Hogg, M.R.C.S., F.R.M.S., 
Consulting Surgeon to the 
Royal Westminster Ophthal- 
mic Hospital 522 
Articles — continued. 
5. On the Self-Purification of 
Waters and Soils 533 
6. A Glance at Epping Forest .. 536 
7. The Needle Ordeal in Witch- 
craft : Non-sensitive Points 
of the Skin 53 g 
8. Flowers and I nseds .. .. 543 
Analyses of Books. 
Spedrum Analysis in its Applica- 
tion to Terrestrial Substances 548 
The Wave of Translation in the 
Oceans of Water, Air, &c. . . 549 
Revival of British Industries, &c. sso 
&c., &c. 
Correspondence. Notes. 
LONDON : 
3f HORSE-SHOE COURT, LUDGATE HILL. 
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Where Communications for the Editor and Books for Review may he addressed. ^ 
fe* . 
s 
PRICE ONE SHILLING AND SIXPENCE 
[ The Articles and Reports in this Journal are Copyright .] 
