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CHAP. XVII. Of the imperfections of the Hind-legs, from the Hams downwards; where are explained all the infirmities, to which Coach-horses Legs are most subject.
FRom the Hams we must go to the other parts of the Hind-legs which are below them, which should be dry and broad; when a horse is standing still and quiet, that his Hind-legs may be right situate and planted, they should stand so that the back sinews, from the tip of the Hock to the Fetlock, which is upon the back part of the pastern joint, should be plum, that is, if you hang a line and plumet at the Hock, it should shave all alongst the back side of the Leg, and the Fetlock should stand neither within nor without it, but be placed exactly touching the line.
There cometh upon the Back-sinews Rats-tails, otherways called Arrestes, from the resemblance they have to the Arrestes of Fishes; some people call them Grapes, but very improperly; this infirmity is known, by the part in which it cometh (which is about the length of half a foot, that is, from two or three fingers breadth below the Ham to the very pastern joint) it's being without hair; they are sometimes dry and sometimes moist, but always accompanyed with Crusts and pretty hard Callosities, which are somewhat more elevate than the rest of the Leg, sometimes to half the thickness of ones finger, and sometimes less: When Arrestes or Rats-tails are moist, they send forth more or less of sharp humours; there are some Horses which have them only in their Fore-legs and not at all behind, but this is very rare: they are also the large size of Coach-horses, which have their Legs charged with flesh, hair, and full of bad humours, that are most subject to this infirmity. At Paris the Coach-horses of a moist temper and constitution, and loaded with humours, are very much subject to it, because the sharp and picquant salt, of the Dirt and Mudof the streets, doth very much contribute to it, especially if the Coach men are careless in keeping their Legs clean.
All people know that a Horse is called Rat-Tail'd, which hath little hair upon his Tail, and which can be look't upon but as a very inconsiderable deformity, although a late Author would make it pass in his Book for an infirmity, but he is mistaken, for a Rat-tail when it is an infirmity, cometh in the Legs, and such horses are not called Rat-Tail'd because of it, for these which are really Rat-tail'd, are commonly very good, notwithstanding of that deformity occasioned by the want of hair in their Tails, which remaine without it: I have seen some which had so very little hair upon their Tails when they were old, that they were almost quite bald, so that their Tails being thus without hair did very much resemble those of Rats, although but little with respect to their bulk and size.
The Infirmities following belong only to large Coach Horses, such as come from Hol∣land, North Holland, Oldenburgh, and other low Marish Countreys upon the North of France, for they have their bodies full of humours occasioned by that kind of moist feed∣ing, which at last falleth down upon their Legs; and which doth not happen to Horses of a middle size, nor to such large ston'd Horses which are bred upon the Mountains, although they have also very long hair upon their Legs, nay nor even to your thick course and short legged Horses, in French Chevaux goussaux on Ragots, providing they have their Legs dry, Nervous, and flat. The mattering kind of warts or Leek-heads, in French Poireaux, come about the Pasterns and pastern joints, and grow after the form of Leek-heads from whence they have derived their French Name, but they have anearer resemblance and affinity to large Warts: They are higher than the skin about half the