804 POPULAR SCRIPTURE ZOOLOGY. abound in Egypt in an equal degree with mosquitos, so that is almost impossible to be wholly free from them. They belong to that division of the insect world, the mem- bers of which undergo no transformation from larva to pupa and thence to the perfect insect. There are two families, Pediculida, living on man and quadrupeds, and Nirmida, living on birds: the species vary according to the animal on which they live. Tur Horner.—There are several notices of the hornet in the Scriptures, according to our translation, In Exodus xxiii. is the following: “I will send hornets before thee, which shall drive out the Hivite, the Canaanite, and the Hittite from before thee.” And again, in Deuteronomy vii., “Moreover the Lord thy God will send the Aornet among them, until they that are left, and hide themselves from thee, be destroyed ;” and in Joshua xxiv. is recorded the fulfilment of these promises—“I sent the hornet before you, which drove them out before you, even the two kings of the Amorites; but not with thy sword, nor with thy bow.” Many interpreters consider these texts in a figurative sense, the hornet denoting either fear, which caused the Canaanites to flee before Israel, or plagues and diseases, causing the same result; and the Scripture language, as