Features
American Archæology
Forest-Tree Borers
The Fire-Bush
Edwards' Enlarging and Copying Camera
The Collodio-Bromide Emulsion Process
Chromo-Photography
A New Albert-Type Process that Reproduces Color in Pictures
Blue Alizarin
Direct Ink Printing from Glass Negatives
Dyes and Colors
Manganese and Chrome Blues
On the Use of Chalk in Dyeing Wool
Absorption of Carbonic Oxide
Food
Contributions to Blowpipe Chemistry
First Paper.—New Blowpipe Bellows*
