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. (I—) 
No. CXXII. 
PEBBUAEY 
1884 . 
CONTENTS 
Articles. 
1. Professor Huxley’s Darwinism. 
By Oswald Dawson . . 
2. The Development of Oxygen 
by Plants as afifedted by the 
Intensity of Light 
3. Latent Thought. By D. Y. 
Cliff 
4. On Sanitary Reform. By Rev. 
Samuel Barber 
5. On Technical Education. By 
Robt. Galloway, M.R.I.A. 
6. On Animal Chlorophyll . . 
Analyses of Books. 
The Agnostic Annual, 1884 
PAGE 
PAGE 
Analyses of Books — continued. 
Solar Physics, an Almanack of 
57.-4 '""’’the Christian Era 100 
Natural Philosophy for General 
Readers and Young Persons . . 
73 Howto Arrest Infectious Diseases 
On some Improved Laboratory 
77 Appliances, &c 
Journal of the Royal Microsco- 
79 pical Society 106 
Longman’s Magazine 107 
82 The Mason College Magazine .. 109 
92 The Science Monthly, Illustrated no 
Woods and Forests, &c no 
Correspondence m 
96 Notes 114 
102 
103 
105 
LONDON : 
3, HORSE-SHOE COURT, LUDGATE HILL. 
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