i88 'Afruttfetf BODIES. Chap. 17. 



j. But bccaufe Galileus/^(// difcorfo intorno tulle cfe che /}*- 



Thatyce inrt r,o in fn I' AcqvA, p*f ,4. was of opinion chat vce was water ra- 



\vnre-rauf^ .r J 1 J I r J l\ O" L- 



tat eondcnfcd. titled, afld-iHtt condenled; we mint not pane over this verity, 

 \vi:hoiit maintaining it againft the oppofition of fo powerful! an 

 sdverfary. His arguments arc, firft that ycc taketh up more 

 place then the wa*er did of which it was made; which is againft 

 the nature ofcondenfation. Secondly, that quantity for quanti- 

 ty yceis lighter then water; whereas things that are moredenfe 

 are proportionally more heavy. And laftly,that ycc fwimmcth 

 in water, \v!jcrea5 we havcof.cn taught, that the more denlc 

 dcfccndeth in the more rare. 



Now to reply to thefe arguments, we fay firft, that we would 

 gladly know how he did to meafurc the quanticy ofthe ycc,wich 

 the quantity of the water of which it was made; and then when 

 lie hath (hewed it, and fhewcd withall tha: yce holdeth more 

 place then water; \ve muft tell him tliathis experiment conclu- 

 dcth nothing agiinft our doihine, becaufe there is an addition 

 of other bodies mingled with the water to make yce of it as we 

 touched above; and therefore that compound may well take up 

 a greater place then the water alone did, and yet be denfer then 

 ir; and the water alfo be denfer then it was. 



A nd that other bodies do come inro the water and are min- 

 gled with it, is evident out ofthe exceeding coldneflc of aire, or 

 ibcnc very cold wind; oneof which two never mifleth to rcignc 

 \vhenfoeverthcwater freezethrand both of them do argue great 

 ftore of little earthy dry bodies abounding in them, whic!i 

 fweeping over all thofe that lie in their way and courfe, muft of 

 necefficy be mixed with fuch as give them admittance; which wa- 

 ter doth very eafily. And accordingly we (ce that when in the 

 freezing of water the yce growcth anything deep, it either (hrin- 

 keth about the borders, or at the leaft lieth very loofe, fo as we 

 cinnot doubt but that there is a free paiTagc for more of fuch 

 fubtile bodies to get ftill to the water> and freez it deeper. 



To his fecond argument, we ask how he knowcth that yce 

 quantity for quantity, is lighter then water ? For although of a 

 fpunge that is full of water, it be cafic to know what the fpunge 

 wcigheth, and what the water that was foked into it, becaufe 

 we cart pirt the one of them from the other, and keep each a- 

 part to examine their weights, yet to the like between yce and 



water, 



