OF BODIES, Chap.XXVIIII. 



demanding under different notions. Which proportion feem- 

 erh to be yet farther convinced, by the ordinary experience of 

 perceiving mufike by mediation of a flick ; for how /Ttould a 

 deafe man be capable of mufick by holding a ftick in his teeth, 

 whofe other end lyeth upon the Vial! or Virginalls, were it not 

 that the proportional! fhaking of the ftick ( working a like 

 dauncing in the mans head) did make.a like motion in his braine, 

 without parting through hiseare ? and conieqiiently^vithont be- 

 ing otherwise /wiw^then as bare motion is found. 



Or if any man will MI periirt in having found be fbme other 

 tiling then as wee fay ; and that it atfecleth the fenfe otherwife 

 then purely by motion :heemuft neverthelefleacknowkdge, 

 that whatibever i^be, it hath neither caufe nor crfect^nor breed- 

 ing, nor dying, that we eitiier know or can imagaine : and then, 

 if- he will let rea'bn fway, hee will conclude it unreafonable to 

 favorlu pe:tfb ill grounded a furmiie, againft fb cleareand 

 folid proofcs.'which our cares them/elves do nota little conffrm; 

 their whole figure and nature tending to the perfect receiving, 

 coniervijtig , and mn'.tip ; ring the motions of ayre which happen 

 without a man : as who is<:ur ious, may plainly iee in the Anato- 

 books and difcourfes. 



THE NINE AND TWENTIETH CHAP, 



THere is yet left, the object of our fighr, vbtch : cd/n- i 

 lonrt, to takeafurvey ofiforasfbr/^Af, wee have at Thai colour* 

 large diiplayed the nature and properties of it : from e nothing but 

 which w! tether colour be different or no.will be the quettioa we JjftjJaStnfff.. 

 fhali next dilcufle : for thofe who are cunning in Optikes , will or the difpofi- 

 by refractions and by reflexions make all forts of colours out of tionofabodies 

 pure light : as we fee in Rainebowes, in thofe triangular glaflfes fu per ficie$ a P l 

 or prifmes which fome do call foolts <P*r*tifcs, and in other in- f rc . flc f ^ ghe 

 ventions for this purpofe. Wherefore, inbriefe.tofliewwhat lominge * 

 colour is, let us lay for a ground, that light is of all other things 

 in the world, the greateft and the rooft powerfull agent upon 

 our eye ; either by it leife, or by whatcommcth in with it : and 



rhat, 



