Schreiber's Apparatus for Revivifying Bone Black. 5 figures.--
Plant: elevation and plan.--Views of elevation.--Continuous
furnace.

Soap and its Manufacture from a Consumer's Point of View.
(Continued from SUPPLEMENT, No. 330).

Cotton seed Oil.--By S. S. BRADFORD.

On some Apparatus that Permit of Entering Flames.--Chevalier
Aldini's wire gauze and asbestos protectors.--Brewster's account
of test experiments.

III. ELECTRICITY, LIGHT. ETC.--On a New Arc Electric Lamp.
By W. H. PREECE. 6 figures--The Abdank system.--The lamp.--
The Electro-magnet.--The Cut-off.--The electrical arrangement.

Utilization of Solar Heat.

IV. NATURAL HISTORY.--The Ocellated Pheasant. 1 figure.

The Maidenhair Tree in the Gardens at Broadlands, Hants,
England. 1 figure.

The Woods of America.--The Jessup collection in the American
Museum of Natural History, Central Park, and the characteristics
of the specimens.

V. AGRICULTURE, ETC.--An Industrial Revolution.--Increase in
the number of farms.