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Features

The French on the Upper Nile

Bottle Drifts

By Henry C. Weeks

The Spiral Bottle

The Earthquakes in Dalmatia

A New Incandescent Filament for Electric Lights

The Dispersion of Mollusks

The Mineral Resources of Persia

Veronica Dieffenbachii

The Manchineel or Manzanilla Tree

Greenhouse Heating

By Thomas N. Thomson

Babbitt Metal

By C. Vickers

Miscellaneous Notes

Engineering Notes

Selected Formulæ

The Division of Clock Dials

Papyristite

Use of Bamboo among the Annamites

Inaugural Address by Sir William Crookes, F.R.S., V.P.C.S., President of the British Association

Death by Electricity

By W.S. Hedely

A Peculiar Style of Ladder

The Telephone in Italy

Color Vision

The Development of Photography in Astronomy

Patents

Departments

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    October 08, 1898

    Beyond XX and XY

    Biology. Identity. Equality.