Bees not only gather honey from the blossoms, but often obtain it in large quantities from what have been called honey dews; "a term applied to those sweet, clammy drops that glitter on the foliage of many trees in hot weather." Two different opinions have been zealously advocated as to the origin of honey-dews. By some, they are considered a natural exudation from the leaves of trees, a perspiration as it were, occasioned often by ill health, though sometimes a provision to enable the plants to resist the fervent heats to which they are exposed. Others insist that this sweet substance is discharged from the bodies of those aphides or small lice which infest the leaves of so many plants. Unquestionably they are produced in both ways. Messrs. Kirby and Spence, in their interesting work on Entomology, have given a description of the kind of honey-dew furnished by the aphides. "The loves of the ants and the aphides have long been celebrated; and that there is a connection between them, you may, at any time in the proper season, convince yourself; for you will always find the former very busy on those trees and plants on which the latter abound; and if you examine more closely, you will discover that the object of the ants, in thus attending upon the aphides, is to obtain the saccharine fluid secreted by them, which may well be denominated their milk. This fluid, which is scarcely inferior to honey in sweetness, issues in limpid drops from the abdomen of these insects, not only by the ordinary passage, but also by two setiform tubes placed, one on each side, just above it. Their sucker being inserted in the tender bark, is without intermission employed in absorbing the sap, which, after it has passed through their system, they keep continually discharging by these organs. When no ants attend them, by a certain jerk of the body, which takes place at regular intervals, they ejaculate it to a distance."