Stripping the Film from Gelatine Negatives.

IV. ELECTRICITY.--Non-sparking Key.

New Instruments for Measuring Electric Currents and Electromotive
Force.--By MESSRS. K.E. CROMPTON and GISBERT
KAPP.--Paper read before the Society of Telegraph Engineers.--With
several engravings.

When Does the Electric Shock Become Fatal?

V. ART AND ARCHAEOLOGY.--Robert Cauer's Statute of Lorelei.--With
engraving.

The Pyramids of Meroe.--With engraving.

VI. ASTRONOMY AND METEOROLOGY.--The Red Sky.--Cause of
the same explained by the Department of Meteorology.

A Theory of Cometary Phenomena.

On Comets.--By FURMAN LEAMING, M.D.

VII. NATURAL HISTORY.--The Prolificness of the Oyster.

Coarse Food for Pigs.

VIII. BOTANY, HORTICULTURE, ETC.--Forms of Ivy.--With
several engravings.