4, Their Gums should frequently be rubbed with a Mixture of equal Parts of Honey, and Mucilage of Quince-seeds; and a Root of March-Mallows, or of Liquorice, may be given them to chew. It frequently happens, that during Dentition, or the Time of their toothing, Children prove subject to Knots or Kernels. _Of Worms._ Sec. 388. The _Meconium_, the Acidity of the Milk, and Cutting of the Teeth are the three great Causes of the Diseases of Children. There is also a fourth, Worms, which is likewise very often pernicious to them; but which, nevertheless, is not, at least not near so much, a general Cause of their Disorders, as it is generally supposed, when a Child exceeding two Years of Age proves sick. There are a great Variety of Symptoms, which dispose People to think a Child has Worms; though there is but one that demonstrates it, which is discharging them upwards or downwards. There is great Difference among Children too in this Respect, some remaining healthy, though having several Worms, and others being really sick with a few. They prove hurtful, 1, by obstructing the Guts, and compressing the neighbouring Bowels by their Size. 2, By sucking up the Chyle intended to nourish the Patient, and thus depriving him of his very Substance as well as Subsistence: and, 3, by irritating the Guts and even [90] gnawing them. [90] I have seen a Child about three Years old, whose Navel, after swelling and inflaming, suppurated, and through a small Orifice (which must have communicated with the Cavity of the Gut or the Belly) discharged one of these Worms we call _teretes_, about three Inches long. He had voided several by Stool, after taking some vermifuge Medicines. The Fact I perfectly remember; and to the best of my Recollection, the Ulcer healed some Time after, and the Orifice closed: but the Child died the following Year of a putrid Fever, which might be caused, or was aggravated, by Worms. _K._