CONTENTS OF YOL. Y. 
Insects Injurious to the Turnip Crops. By Rev. W. Houghton, 
M.A., F.L.S 1 
Coffee. By Baron Liebig 12 
Australia and Europe formerly One Continent. By Berthold 
Seeman, Ph.D., F.L.S., Y.P.A.S 18 
On Ozone in relation to Health and Disease. By B. YY. 
Richardson, M.A., M.D., F.R.C.P 29 
Glaciers and Ice. By YY. F. Barrett. Illustrated 41 
On the Phenomena of Motion and Sensitiveness in Climbing 
Plants. By the Rev. George Henslow, M.A., F.L.S. YYith page 
Illustration ... ... ... ... • ... ... ... ... 55 
On the Construction and Use of the Spectrum Microscope. By 
H. C. Sorby, F.R.S 66 
On the Yolvox Globator. By J. Braxton Hicks, M.D. Lond., 
F.R.S., F.L.S., &c 137 
Engraving with a Sunbeam. YYoodbury’s Relief-Printing. By 
J. Tradl Taylor 145 
ENTOZO ON-LIKE BODIES IN THE MUSCLES OF ANIMALS DESTROYED 
by Cattle Plague. By Lionel S. Beale, M.B., F.R.S 153 
Our House Spiders. By John Blackwall, F.L.S 161 
Raised Beaches and their Origin. By Edward Hull, B.A., F.G.S. 169 
On Milk and its Adulteration. By Augustus Yoelcker, Ph.D., 
F.C.S., &c. 
... 177 
The Amceba : its Structure, Development, and Habits. By 
Professor YY. C. YYilliamson, F.R.S. 188 
On the Solfatara and Fumaroles in the Neighbourhood of 
Naples. By Professor D. T. Ansted, M.A., F.R.S. 198 
The Graphotype. By the Editor ... 207 
Hydra:, or Fresh-water Polypes. By Rev. YY. Houghton, M.A., 
F.L.S 267 
How to YYork with the Telescope. Part I. By Richard A. 
Proctor, B.A., F.R.A.S ... 279 
On the Exhaustion of our Coal. By Leonard Lemoran, M.E. . . . 290 
On Hybridization among Plants. By Rev. G. Henslow, M.A., 
