That species which builds in trees, frequently establish their abode in houses also, which in time they will entirely destroy, if not extirpated. The large kind, however, are more destructive, and more difficult to guard against, as their approaches are principally made under-ground, and below the foundation; they rise either in the floors, or under the posts, which in African buildings support the roof, and as they proceed, they form cavities towards the top, similar to the holes bored in the bottom of ships by the worms, which appear to answer the same purpose in water as the _termites_ do upon land. How convincing is this fact of the infinitely wise arrangements of the Creator, who has united, in the whole system of creation, one uniform conformation of order and utility; for although the _vermis_, or worm, which is so pernicious to shipping in tropical climates, and the _termite_, possess so many destructive qualities, yet these very properties serve the most important purposes and designs. Scarcely any thing perishable on land escapes the _termite_, or in water, the worm; and it is from thence evident, that these animals are designed by nature to rid both of incumbrances, which in tropical climates would be attended with putrefaction and disease. The first object which strikes the attention, and excites admiration, upon opening and investigating the hills of the _termites_, is, the conduct of the armed species, or soldiers; when a breach is made by a pick-axe, or hoe, they instantaneously sally forth in small parties round the breach, as if to oppose the enemy, or to examine the nature of the attack, and the numbers increase to an incredible degree as long as it continues; parties frequently return as if to give the alarm to the whole community, and then rush forth again with astonishing fury. At this period they are replete with rage, and make a noise which is very distinguishable, and is similar to the ticking of a watch; if any object now comes in contact with them, they seize it, and never quit their hold until they are literally torn in pieces. When the violence against their habitation ceases, they retire into their nests, as if nothing had happened, and the observer will instantaneously perceive the labourers at work, with a burthen of mortar in their mouths, which they stick upon the breach with wonderful facility and quickness; and although thousands and millions are employed, yet they never embarrass the proceedings of each other, but gradually fill up the chasm. While the labourers are thus employed, the greatest part of the soldiers retire, a few only being discernible, who evidently act as overseers, and at intervals of about a minute, make the vibrating noise before described, which is immediately answered by an universal hiss from the labourers, and at this signal they redouble their exertions with encreased activity.