An Improved Cloth Stretching Machine.--With an engraving.

Purification of Woolen Fabrics by Hydrochloric Acid Gas.

Apparatus for Preventing the Loss of Carbonic Acid in Racking
Beer.--With an engraving.

IV. ELECTRICITY.--Application of Electricity to the Bleaching of
Vetable Textile Materials.--With figure of apparatus.

Table Showing the Relative Dimensions, Lengths, Electrical
Resistances, and Weights of Pure Copper Wires.

V. ASTRONOMY.--The Solar Eclipse of 1883.--An interesting abstract
from a report of C. S. HASTINGS (Johns Hopkins University), of
the American Astronomical Exhibition to the Caroline Islands.

VI. NATURAL PHILOSOPHY.--Recent Experiments Affecting the
Received Theory of Music.--An interesting paper descriptive of
certain experiments by President Morton, of Stevens Institute.

The Motions of Camphor upon Water.--With an engraving.

VII. ARCHITECTURE.--Suggestions in Village Architecture.--
Semidetached villas.--Bloomfield crescent.--With an engraving.

Specimens of Old Knocking Devices for Doors.--Several figures.

VIII. ARCHAEOLOGY.--A Buried City of the Exodus.--Being an account