frequent changes in one ſingle chace, the alterations that enſue on any different motion, and on her degrees of ſinking. The courſing of a Cur Dog, or the fright from an obvious paſſenger, is often the occaſion of an unexpected fault; and, after ſuch an accident, the Dogs muſt be cheriſhed, and be put upon it again and again, before they will take it and acknowledge it for their game. The reaſon is, as I conceive, the change of the motion cauſes a change in the perſpiring particles, and as the ſpirits of the Dogs are all engaged and attached to particles of ſuch
or ſuch a figure, it is with difficulty they come to be ſenſible of, or attentive to, thoſe of a different reliſh. You will pardon the expreſſion, if I compare old Jouler, in this caſe, to a Mathematician, who is ſo intent on the long perplexing ambages of the problem before him, that he hears not the clock or bell that ſummons him to a new employment. The alterations in a yielding Hare are leſs frequently the occaſion of faults, becauſe they are more gradual, and, like the ſame rope, inſenſibly tapering and growing ſmaller. But that alterations there
