A Zoological Novelty

Evils of Neglecting Cold in the Head

A Plan to Make New York a Fresh Water Port

Ship Railways for Isthmus Crossings

Chemical Repulsion

New Plastering Machine

Improved Stone Polishing Machine

Miscellaneous Inventions

New Holdback for Harness

Improved Car Window

Improved Sprout Puller

American Industries.-No. 36

Steel in Agricultural Tools

The New Leclanche Battery

The Kingio and the Tong-Tsing-Yo

Agricultural Inventions

The Scientific American Export Edition

Published Monthly.

Communications Received