TWENTY-FIRST YEAR OF PUBLICATION. 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.”) 
Vol. VI. (S“J 
No. CXXIII. 
1884 . 
CONTENTS 
PAGE 
121 
Articles. 
X. The Physical and Chemical 
Limits to Population .. 
2. Vaccination. By G. S. Gi- 
LEBS 127 
3. The Upright Attitude of Man- 
kind 134 
4. If True ? 140 
5. Circulating Museum for Edu- 
cational Purposes. By Rev. 
H. H. Higgins 
6. On Technical Education. By 
Robt. Galloway, M.R.I.A. 
Analyses of Books. 
An Examination and Popular Ex- 
position of the Hylo-Idealistic 
Philosophy 160 
147 
151 
PAGE 
Analyses of Books — continued. 
Original Essays 163 
Poisons : their EfFedts and De- 
tection 166 
Bleaching, Dyeing, and Calico- 
Printing, with Formulae . . .. 169 
On Life and its Lessons ; being 
the Inaugural Address delivered 
to the Bristol Medico-Chirur- 
gical Society in the Session 
1882-3 170 
The Symposium 172 
The English Illustrated Magazine 172 
Longman’s Magazine 173 
The Asclepiad 174 
Correspondence. Notes. 
LONDON : 
3, HORSE-SHOE COURT, Ll’DGATE HILL. 
Where Communications for the Editor and Books 
for Review may be addressed’ 
A 
PRICE ONE SHILLING AND SIXPENCE 
