Interesting Facts about Platinum.--Draw stones used for drawing
wire of precious metals.

II. ENGINEERING, MINING, ETC.--Modern Locomotive Practice.--Paper
read before the Civil and Mechanical Engineers' Society.--By
H. MICHELL WHITLEY--10 figures.

New Screw Steam Collier, Frostburg.--1 figure.

Destruction of the Tardes Viaduct by Wind.--With engraving.

Joy's Reversing and Expansion Valve Gear.--1 figure.

The Steam Bell for Locomotives.--2 figures.

Diamond Mining in Brazil.--With engravings showing the dam
on the Ribeirao Inferno at Portao de Ferro, and the arrangement
of the machinery.

III. ELECTRICITY, ETC.--The Frankfort and Offenbach Electric
Railway.--With 3 engravings.

Possibilities of the Telephone.--Its use by vessels at sea.

Pyrometers.--The inventions of Siemens and others.

IV. ARCHÆOLOGY.--The Cay Monument at Uxmal.--Discovered by
Dr. Le Plongeon on June 1, 1881.--With engraving.