SA Supplements Vol 74 Issue 1919supp

SA Supplements

Volume 74, Issue 1919supp

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Features

The Nature, Origin and Maintenance of Life—II

Inaugural Address of the President of the British Association for the Advancement of Science

E. A. Sch*amp*auml;fer

Henry Bell and the “Comet”

The Centenary of the First Passenger Steamboat in Europe

The African Ant

Architects of the Animal Kingdom

Electrolysis from Stray Currents—IV

Damage Caused to Underground Structures

Albert F. Ganz

The Motor Truck in Manufacturing

Its Utility, Adaptability, Capacity and Economy Under Suitable Conditions

Harold Whiting Slauson

Sinhalese Iron and Steel of Ancient Origin—II

Beginnings of the Iron Age

Robert Hadfield

Development of the Monadidea

A Fruitful Field for Microscopic Study

Aubrey H. Drew

A Projection Lantern Without Objective

A. Gradenwitz

An Experimental Study of Vortex Motion in Liquids—III

Lord Kelvins's Smoke-ring Model of the Atom

Edwin F. Northrup

Fish Culture on a Small Scale

New Books, Etc.