The Epistle of Alexander Trallian on worms, first published by Hieronymus Mercurialis, and afterwards by Albertus Fabricius, and again lately by Ideler, contains an interesting exposition of the ancient views on this subject. He divides intestinal worms into three genera: the ascaris, the strongylus or round, and the latus or broad. He remarks that the small worms (ascarides) are generally found in the large intestines, the round in the small intestines, and hence they are often vomited up; while the broad worms (tænia) are sometimes as long as the intestines, some having been discharged sixteen feet in length. He states that they are engendered by corruption of the food, and putrefaction of crude humours. He lays down at great length the plan of treatment, which he varies according as they are with or without fever. His remedies consist of cathartic, acrid, oily, acid, and bitter substances. Of purgatives he mentions aloes, scammony, and hellebore; of acrid articles, garlic, cresses, and the like; of oily medicines, the oil of roses, castor oil (oleum ricini), and common oil boiled with rue; of acids, salt and nitre (soda); and of bitters, southernwood, wormwood, hyssop, fennel, and the like. For the expulsion of the strongylus he speaks favorably of a decoction of gagate stone (jet). For ascarides and lumbrici he recommends a lavement prepared from juniper. He concludes his treatise by stating that “ten thousand” other things had been recommended as anthelminthics by the ancients.