The History of a Lightning Flash.--By W. SLINGO.

Researches on Magnetism.

VI. NATURAL HISTORY.--The Giraffe.--With engraving.

VII. MEDICINE, AND HYGIENE.--The Treatment of Cholera--By
Dr. H.A. RAWLINS.

Temperature. Moisture, and Pressure, in their Relations
to Health.--London deaths under 1 year in July, August,
and part of September.

Consumption Spread by Chickens.

New Method of Reducing Fever.

VIII. MISCELLANEOUS.--The Crown Diamonds of France at the
Exhibition of Industrial Arts.

A New Mode of Testing the Economy of the Expenses of
Management in Life Insurance.--By WALTER C. WRIGHT.

* * * * *




THE GIRAFFE.