Simple Devices for Distilling Water.--4 figures.
Improved Fire Damp Detecter.--With full description and engraving.
Camera Attachment for Paper Photo Negatives.--2 figures.
Instantaneous Photo Shutter.--1 figure.
Sulphurous Acid.--Easy method of preparation for photographic
purposes.
IV. PHYSICS. ELECTRICITY, ETC.--Steps toward a Kinetic
Theory of Matter.--Address by Sir Wm. THOMSON at the Montreal
meeting of the British Association.
Application of Electricity to Tramways.--By M. HOLROYD
SMITH.--7 figures.
The Sunshine Recorder.--1 figure.
V. ARCHITECTURE AND ART.--The National Monument at Rome.--With
full page engraving.
On the Evolution of Forms of Art.--From a paper by Prof.
JACOBSTHAL.--Plant Forms the archetypes of cashmere
patterns.--Ornamental representations of plants of two
kinds.--Architectural forms of different ages.--20 figures.
VI. NATURAL HISTORY.--The Latest Knowledge about Gapes.--How
to keep poultry free from them.
The Voyage of the Vettor Pisani.--Shark fishing In the Gulf
of Panama.--Capture of Rhinodon typicus, the largest fish in
existence.