Nicolas Pike

Naturalist, Author, Soldier, Consul

The Services of Nathaniel Bowditch to American Astronomy

Dr. Jose Evaristo Uriburu, President of the Argentine Republic

The Vines

(Vitis)

The Celestial Pole Photographed

The Botanical Department at Harvard

The Distribution of the Blow Gun

The Archæological Work of Prof. Moore in Florida

The Cause of the Movement of Glaciers

Waves and Vibrations

Lake Basins created by Wind Erosion

The Collapse of Saint Catherine's Tunnel

Proposed Bridge across the Rhine at Bonn

Distillation Apparatus for Laboratories

Tea and its Effects

An Improved Dephlegmator

Summary of Conclusions of a Report by Drs. D. H. Bergey, S. Weir Mitchell and J. S. Billings upon “The Composition of Expired Air and its Effects upon Animal Life”

Argon: Its Probable Composition

Peptone

Process of and Apparatus for Nitric Acid, Tar and other Liquids

The Argon Myth

Float for Specific Gravity Determinations

Wheeling in Munich

The Doom of the small Town

Statistics of the United States

A Modification of the Ordinary Ellipsograph, which Serves to describe a Spheroconic