The Bacchante

A Large Steamer

American Engineering.—IV.*

New Steam Dredger

Prediction of the Weather

The Gelatino-Bromide Process

Preparing Gelatine Emulsion

American Association for the Advancement of Science

History and Methods of Palæontological, Discovery. *

Philosophy of the Pupation of Butterflies

Experimental Determination of the VELOci'l'Y of Light

Mythologic Philosophy

Spectral Examination of Ytterbia

Chemical Constitution of Alkaline Amalgams

Notes of Hospital and Private Practice in San Fran Cisco.*

Aural Therapeutics.*

Royal Astronomical Society

Appearance of the Tongue in Disease

Strychnia Poisoning Treated with Chloral Hydrate, Apomorphia, and Electricity-Recovery

Are Birds Derived from Dinosaurs?

The Microphone Telephone