(64.) _Early Improvers of Sheep._--There cannot be a more certain sign of the rapid advances of a people in civilization and prosperity, than increasing attention to the improvement of live-stock. It tells of a population limited in regard to soil, and making every effort to remedy the want, by an economical doubling of the return for the usual outlay: for, while a tribe wanders at large, remaining at a particular place only so long as provender holds out, and, striking the tent, departs for some far-off field, so long will their flocks be suffered to roam neglected, and flourish or decay, as chance directs. From the time of Jacob, the possibility of determining the nature of the offspring, by impressions on the parents, has been apparent to all; and the best means of perpetuating a good quality, or removing a bad one, have continued from time to time, to occupy the attention of patriotic individuals. As much appears to have been known about sheep two thousand years ago as at present, so true is it, that nothing new is to be met with; yet, that does not rob our modern improvers of their merits, for though they deserve little as inventors, they are to be admired for that strength of mind, and determined perseverance, which enabled them to rouse their fellows from their lethargy, and compel them to become in turn, benefactors of their country, and themselves. The signs of a good ram are concisely laid down by Varro, by Virgil in his third Georgic, and by Columella; and, though the Spanish nobility were looked upon with wonder, (till eclipsed by our own extravagance,) in giving two hundred ducats, or fifty pounds for a ram; yet Strabo assures us, that in his day (under Tiberius), they gave more than three times that sum for one of the breed of the Coraxi, a Pontic nation, believed to have the finest fleece in the world. The greatest recorded improvers of the sheep in ancient times were Lucius Columella, and his uncle Marcus Columella, Spaniards of distinction, who removed to Rome in the reign of Tiberius, and made agriculture the study and business of their lives. The former commenced his celebrated treatise on husbandry during the reigns of Tiberius, and Caligula, and appears to have finished it A.D. 55. It is a work which may be read with advantage even at present, as it abounds with much that is valuable, and is accessible to all through its English translation.[10] [10] I allude to this, as the author of the work on Sheep, published by the Society for the Diffusion of Useful Knowledge, at page 123 of that book, laments the want of an English translation of Columella. An excellent quarto translation of his twelve books on Husbandry, and one on Trees, was published at London, in 1745.