A Violet Coloring Matter from Morphine.--The first true
coloring matter obtained from a natural alkaloid.

Liquid Blue for Dyeing.--Treatment of the "Dornemann"
liquid blue.

New Process for the Manufacture of Chromates.--By J. MASSIGNON
and E. VATEL.--Manufacture of chromates from chromic
iron ore by a new process.

* * * * *




[Illustration: THE BATTLE OF CONCON, CHILE. August 21, 1891.

The Congressional troops advancing.
The river Aconcagua.
Balmaceda's troops retreating.
The Esmeralda.
Concon Point.
The Magellanes. ]

[Illustration: THE BATTLE OF VIÑA DEL MAR, CHILE, AUGUST 1891.

Esmeralda firing shell at Fort Callao.
Almirante Cochrane firing at Balmaceda's artillery behind Fort Callao.
Battery of Congress artillery trying to silence government troops at