It is well known to the popular as well as scientific world that the Aphides secrete or rather excrete a peculiarly viscid and honey-like fluid which forms one of the chief delicacies of Ants. That it was originally designed to form an article of food for the latter is a supposition that cannot be entertained for a single moment ; bnt that it is in some way connected with the preservation of the soft and tender beings by which it is manufactured, there can be no reasonable doubt.