The air is certainly yet to be navigated when a sufficient amount of power can be concentrated in the machine, but at present we can do little more than float with the wind. It is probable that an engine sufficiently strong, built of the best steel, and propelled by the explosive power of gun cotton, or some similar explosive, would overcome the difficulty. If I were to construct such an engine I would substitute for the lifting power of a balloon that of a sail acting as a kite. Return

A letter just received from Australia states that the writer had for many years been a student of phrenology, and had ascertained from examining hundreds of crania that phrenology “stood on a basis of fact, but was wrong as well as deficient in some of its details. But though I could point to several parts of the skull where the readings of professionals as well as myself were always unreliable, I could not discover the real function of the organs in these places.” Return