Is a Ship Canal Practicable? Notes, Historical and Statistical, Upon the Projected Routes for an Interoceanic Ship Canal Between the Atlantic and Pacific Oceans, in Which is Included a Short Account of the Character and Influence of the Canal of Suez, and the Probable Effects Upon the Commerce of the World of the Two Canals, Regarded Either as Rivals, or as Parts of One System of Interoceanic Navigation

Our Geographical Knowledge of the Isthmus—The Value of Early Narratives and Histories—Projects for Uniting the two Oceans by Canals and Railroads—Criteria for Assisting the Judg...

Columbus discovers Darien—Opinions of Berghaus, Humboldt, Garella, Hughes—Expectation of finding a Strait—Influence of Oriental Trade—Names identified with the Project of a Cana...

Admiral Davis’s Report—Table of the Tunnels of the different Isthmean Routes—Altitude of Ridge at Darien—Comparative Cost of Canals with and without Tunnels—Lift Locks and Thoro...

Influence of Commerce—Distances Reduced by the Suez Canal—Tables showing the Gain of the United States and European Ports—Navigation by way of Red Sea and Good Hope—Napoleon III...

Physico-Geographical Features—Deficiency of Information—Barometer—Colonel Williamson—Lieutenants Gibbon, Herndon and Maury—Señor Moro—Popagayos—Influence of the Andes—Climate—Ra...

Effect of the Canal on the Interest of the Valley of the Mississippi—Pacific Railroad as a Rival of the Isthmean Canal—Rates of Freight on Ocean, Lakes, Rivers, Canals, and Rail...

The Canal considered as an American Project exclusively—Currents and Winds—Resources of the Basins of the Rivers of the Gulf and Caribbean Sea—Their Productive Capacity compared...