CENTURY X. 525 



healeth it ; so as it seemeth salt draweth blood, as 

 well as blood draweth salt. 



98.3. It hath been anciently received, that the sea 

 air hath an antipathy with the lungs, if it cometh 

 near the body, and erodeth them. Whereof the 

 cause is conceived to be, a quality it hath of heating 

 the breath and spirits, as cantharides have upon the 

 watery parts of the body, as urine and hydropical 

 water. And it is a good rule, that whatsoever hath 

 an operation upon certain kinds of matters, that, in 

 man s body, worketh most upon those parts wherein 

 that kind of matter aboundeth. 



984. Generally, that which is dead, or corrupted, 

 or excerned, hath antipathy with the same thing 

 when it is alive, and when it is sound ; and with those 

 parts which do excern : as a carcase of man is most 

 infectious and odious to man ; a carrion of an horse 

 to an horse, &c. purulent matter of wounds, and 

 ulcers, carbuncles, pocks, scabs, leprosy, to sound 

 flesh, and the excrement of every species to that 

 creature that excerneth them : but the excrements 

 are less pernicious than the corruptions. 



985. It is a common experience, that dogs know 

 the dog-killer ; when, as in times of infection, some 

 petty fellow is sent out to kill the dogs ; and that 

 though they have never seen him before, yet they will 

 all come forth, and bark, and fly at him. 



986. The relations touching the force of imagi 

 nation, and the secret instincts of nature, are so un 

 certain, as they require a great deal of examination 

 ere we conclude upon them. I would have it first 



VOL. IV. j i 



