The unprecedented destruction of the tornado which passed through the western part of our county on the first of July last, created in the minds of many a desire to have a full account of the movement, conduct, and origin of the storm cloud, together with such scientific explanation as would throw some light upon this remarkable phenomenon. After some weeks had elapsed, I gave the subject considerable attention, and have prepared this pamphlet, which I trust will meet some of the wants of intell

The Summer of 1877 has been remarkable in some localities for the severity of its storms. These, in several instances, have partaken of the character of tornadoes. Mt. Carmel, in Illinois, was nearly destroyed about the 20th of June last; Pensaukee, in Wisconsin, was nearly ruined on the 8th of July, and Pittston, in Massachusetts, suffered terribly from a tornado on the same day. While these great moving storm-clouds occur occasionally in some of the Southern States, they generally move through