272 POPULAR SCRIPTURE ZOOLOGY. trees and plants, stripped of their leaves, and reduced to their naked boughs and stems, cause the dreary image of winter to succeed in an instant to the rich scenery of spring. When these clouds of locusts take their flight to surmount any obstacle, or to traverse more rapidly a desert soil, the heavens may be literally said to be obscured by them.” These last words are an ample comment on the expres- sion, “The sun and the moon shall be dark, and the stars shall withdraw their shining.” Many authors have also noticed a resemblance between these insects and the horse, particularly in the form of the head—‘ The appearance of them is as the appearance of horses;” and this expression may also refer to the strength and rapidity of their move- ments. Isaiah says, in speaking of the enemies of the church, “As the running to and fro of locusts, shall he run upon them,” giving the same idea of swiftness. And. in Revelation ix. there is another allusion to this apparent resemblance to the horse in appearance : “ And the shapes of the locusts were like unto horses prepared unto battle; and the sound of their wings was as the sound of chariots of many horses running to battle.” By the law of Moses, locusts were permitted as food,—