Extraordinary Ships. By S. J. Mackie, F.G.S. With 18 Woodcuts and Plates of "Cigar-ship" and "Connectorship."

Good Food. By Dr. Lankester, F.R.S. On the Origin of our Local Floras. By Harland Coultas. With Map of Distribution of Flowering Plants. Metamorphism of Rocks, &e. By Professor Ansted.

The Metric System. By James Spear,
Esq. With Plate of Weights and
Measures.

Recent Investigations into the Natural
History of the Red Coral. By the Edi-
tor. With Coloured Plate.
What is a Stimulant? By Dr. Anstie.
Source of Heat in the Sun. By Robert

Hunt, F.R.S. With Woodcuts and 2
Coloured Plates.

On New Food for Infants. By Baron Liebig. (This Article was the means of introducing "Liebig's Food for Infants" into this country.) Vegetables, Fruit, and Water, as Sources of Intestinal Worms. By Spencer Cobbold, M.D., F.R.S., F.L.S. The Anatomy and Physiology of Foraminifera. By Professor Williamson, F.R.S. With Tinted Plate.

Waves of Heat and Waves of Death. By B. W. Richardson, M.A., M.D.

Origin of Kitchen-Garden Plants. Br

Harland Coultas. With Plate of Wild Parsnip, Carrot, Radish, Turnip, &c. Geology of Mineral Springs. By Francis

Bond, M.D., B.A., F.C.S. With Plate. Train Signalling in Theory and Pract ce. By Charles V. Walker, F.R.S., F.R.A.S. With Woodcuts and Plate, showing the arrangement of Signal-room. Extract of Meat. By Charles Boner. On Sponges. By Robert Patterson, F.R.S. With Tinted Plate of Structure. The Physical Phenomena of other Worlds. By Robert Hunt, F.R.S. With Coloured Plate of Spectra.

Migrations of European Birds. By A. Leith Adams, M.A., M.B., F.G.S., F.L.S.

On the Difficulties in Identifying many of the Lower Kinds of Algæ. By J. Braxton Hicks, M.D., F.R.S., F.L.S. With Coloured Plate.

On the Oldest Known Fossil-Eozoon Canadense-its Place, Structure, and Significance. By Professor T. Rupert Jones, F.G.S. With Coloured Plate of 10 Sections.

Balloon Ascents and their Scientific Importance. By James Glaisher, F.R.S. With Tinted Plate, showing the Arrangement of Instruments in Car of Balloon.

On the Highest Magnifying Powers and their Uses. By Lionel Beale, M.B., F.R.S.

On Darwin's Observations on the Physiology 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; Section and Side View of Cable, 1865 and 1858. Cable from Dover to Ostend, Spezzia to Corsica, Corfu to Malta and Sardinia, Sardinia to Bona, &c.

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 Photograph.

Photography and some of its Applications. By the Editor.

Reviews of Books.

Careful Summary of Progress in Astronomy, Botany and Vegetable Physiology, Chemistry, Geology and Palæontology, Mechanics, Medical Science, Metallurgy and Mining, Meteorology, Microscopy, Mineralogy, Photography, Physics, Zoology, and Comparative Anatomy.

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, Caselli's, and Bonelli's Systems. The Pneumatic Despatch. With Explanatory 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 Work and Food. By Professor Bond.

Fishes of the Old Red Sandstone. By E. Ray Lankester. (Illustrated.) Earthquakes. By the Rev. W. S. Symonds.

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. Henslow.

Reviews of Books.

With careful Summary of Agriculture, Astronomy, Botany, Chemistry, Geology and Palæontology, Medical Science, Metallurgy and Mining, Mineralogy, Meteorology, Microscopy, Photography, Physics, Zoology, and Comparative Anatomy.