VOLUME IV. {continued). 
On the Highest Magnifying Powers and 
their Uses. By Lionel Beale, M.B., 
F.R.S. 
On Darwin’s Observations on the Phy¬ 
siology of Fertilization. By M. C. 
Cooke. With Plate of Sections of 
Plants. 
What is a Tonic? By Edward Divers, 
M.D., F.C.S. 
The Eruption of Etna. By S. J. Mackie, 
F.G.S. With Woodcuts and Plate, 
showing Etna and adjacent country. 
Inside the Eye. By Ernest Hart, Esq. 
With Woodcuts. 
On the Means of Communicating between 
Guards and Passengers. By T. Symes 
Prideaux, Esq. 
Is the Whitebait a Distinct Species ? By 
the Editor. With Plate of Whitebait 
and Shad, and of Whitebait-fishing. 
Atlantic Telegraphy. By Robert Hunt, 
F.R.S. With 2 Plates, showing Map 
of Cable from Valentia to Trinity Bay, 
with Sections of Bed of Atlantic; Sec¬ 
tion and Side View of Cable, 1865 and 
1858. Cab'e from Dover to Ostend, 
Spezzia to Corsica, Corfu to Malta and 
Sardinia, Sardinia to Bona, &c. 
On Pure Water. By Dr. Lankester, 
F.R.S. 
Nature and Diagnostic Value'of Raphides 
and other Plant Crystals. By George 
Gulliver, F.R.C.S., F.R.S. 
On Lake Basins. By Professor Ansted, 
M.A., F.R.S. With Plate of English, 
Scotch, Irish, European, and American 
Lakes. 
Epidemics, Past and Present: their Ori¬ 
gin and Distribution. 
On the Microscopic Anatomy of an Insect 
Larva. By E. Ray Lankester. With 
Plate of Corethra Plumicornis. 
The Moon. By James Breen, F.R.A.S. 
With View of the Moon, from a Pho¬ 
tograph. 
Photography and some of its Applications. 
By «he Editor. 
Reviews of Books. 
Careful Summary of Progress in Astro¬ 
nomy, Botany and Vegetable Physio¬ 
logy, Chemistry, Geology and Palaeon¬ 
tology, Mechanics, Medical Science, 
Metallurgy and Mining, Meteorology, 
Microscopy, Mineralogy, Photography, 
Physics, Zoology, and Comparative 
Anatomy. 
VOLUME III. 
(560 pages of Letter-press, 21 pages of coloured and plain Illustrations), price, in 
cloth , 12s., contains — * 
Photographic Printing ; with Page of the 
“ Times,” quite legibly printed, 4^ by 
5 inches. 
The Alps Railway Tunnel. (Illustrated.! 
Metropolitan Main Drainage Works. 
(Illustrated.) 
Printing Telegraphs; with Fac-similes 
and Explanations of Wheatstone’s, Ca- 
selli’s, and Bonelli’s Systems. 
The Pneumatic Despatch. With Expla¬ 
natory Illustrations. 
Microscopic Fungi, Smuts and Bunt, 
Mildew and Brand, Moulds, Rusts, &c. 
By M. C. Cooke. 7 coloured Plates ; 
170 figures. 
Fresh Air. By Dr. Lankester, F.R.S. 
Bodily W T ork and Food. By Professor 
Bond. 
Oysters. 
Herrings and Herring Fisheries. 
On Proper Clothing. By Dr. Lankester. 
Diseased Meat. By Professor Gamgee. 
(Illustrated.) 
Fishes of the Old Red Sandstone. By 
E. Ray Lankester. (Illustrated.) 
Earthquakes. By the Rev. W. S. Sy- 
monds. 
Prehistoric Dwellings. With Illustra¬ 
tions of Hut Circles. By G. E. Roberts. 
Thermometry. By G. F. Chambers. 
On Manures. By Baron Liebig. 
Greek Fire, Ancient and Modern. By 
Dr. Richardson. 
Aniline Dyes. With Illustrations on Silk 
Fabric. 
Absorption and Radiation of Heat. By 
Professor Debus. (Illustrated.) 
Botanical Exercises. By Rev. G. Hen- 
slow. 
Reviews of Books. 
With careful Summary of Agriculture, 
Astronomy, Botany, Chemistry, Geo¬ 
logy and Palaeontology, Medical 
Science, Metallurgy and Mining, Mine¬ 
ralogy, Meteorology, Microscopy, Pho¬ 
tography, Physics, Zoology, and Com¬ 
parative Anatomy. 
