Chapter I: ENGINEERING AND MECHANICS.--Louis Favre, Constructor

of the St. Gothard Tunnel.--2 figures.--Portrait and
monument at Turin to commemorate the tunneling of the
Alps 5817

The New Harbor of Vera Cruz.--New artificial harbor
for Vera Cruz.--Capt. Eads's plan.--1 figure.--Plan
of harbor and improvement 5818

Cost of Power to Make Flour 5818

Driving gear Mechanism for Lift Hammers.--2 figures 5819

De Junker and Ruh's Machine for Cutting Annular
Wheels.--3 figures 5819

Recent Hydraulic Experiments.--Results of experiments
on the flow of water in the Ganges Canal 5819

The Germ: Shall It be Retained in Flour? By Arthur
Atkins 5820

Wheat Tests 5820