TWENTIETH YEAR OP PUBLICATION. 
THE 
AND ANNALS OF 
ASTRONOMY, BIOLOGY, GEOLOGY, INDUSTRIAL ARTS, 
MANUFACTURES, AND TECHNOLOGY. 
(MONTHLY, FORMERLY “THE QUARTERLY JOURNAL OF SCIENCE.") 
VoL V. gS£) 
No. CXIII. 
Articles. page 
1. Flank Attacks on Evolution . . 249 
2. Patent-Right and Patent-Law. 
By An Old Technolo- 
gist 257 
3. Darker Shadows: a Sociolo- 
gical Study. By E. S 266 
4. Vice as an Eliminative Agent 273 
5. The Glacial Epoch. By D. 
Yewdall Cliff 280 
6. On Technical Education. By 
Robt. Galloway, M.R.I.A. 283 
Analyses of Books. 
Snakes : Curiosities and Wonders 
of Serpent Life 289 
The Micrographic Dictionary . . 292 
CONTENTS 
Analyses of Books '=== mntvnued . page 
Darwin and Modern Evolution.. 294 
Proceedings of the Scientific As- 
sociation of Trinidad .. .. 296 
Magnetism 297 
Victorian Year-Book for 1881-2. . 298 
Correspondence. 
Do Snakes Swallow their Young ? 
By James Simson 299 
The Brain Theory of Mind and 
Matter 301 
The Will of Animals 302 
Reply to Mr. W. Brayshaw . . 303 
Notes 
304 
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