Chap. 12. ** ?re*tifi*f BODIES. 1*5 



nrrems againft it,are(as I rcmcmber)fb'this tenour: fir(t, afre by 



reafon of its rariry and divifibility, icemeth not apt to confcrve lent motion. 



motion: next, \vefce tl*ac light things arc bcft carried by the 



aire; nnd it hath no power over weighty ones : LilUy, it is evi- 



cfent that aire takcth moft hold of the broadefr fupcrficies; and 



therefore an arrow would flic fitter broad- wayes then long- 



\vaycs, if this were true. NeverthelefTe, fince every effecl: muft 



have a proportionable caufc from whence it immediately ftovr- 



eth; and' tint a: body muft have another body to thrtift icon as- 



long as it moreth; let us examine what bodies do couch a move- 



able whileft it is- in motion: as the onely means to find an irfuc 



out of this 7 difficulty; for to- have recewrfc unto a quality or im- 



prefled force for dHrverafhre 1 out of this ftraight, is a fliifcthat 



will not ferve the njrn in this way of difcourfe we u{e. In this 



Phifofophyno knot admhteth fuch a foliition. 



If then- we enquire what body it is that immediately touch- 

 cth the ball or arrmv 'whiles'it flieth ; we fha-lffind that none 

 other doth fo but the rre^ and 1 the atomes in ir, after the firing?- 

 have-given their ftrofce, arwfare parted from the miflive. And 

 althon^h \ve have GaMeos authority, an*f arw'.jmtfnts to dikrou- 

 rage usrrom believing chat the aire ea-rtwork tfifiserfef^; yet 

 ffnce thert fs no other body bcftdes ic left for us ro consider in 

 this cafe, Icciif at the leaft examine how the afre beliareth- if 

 felf after theftroke is given by the firings. Firft then it is evi- 

 dVnt that aflbotras the racket or bow-ftring fhrinketh back 

 frem tlwmifllve, and: leaverh a fpjtcr betvwen- the miffiveafid H 

 (as it is clear it doth, aflbon as it hath ftrucken the'pefifting bo- 

 dy)the aire rnvrft needs cla'p In with as much velocity as they re- 

 tire, and with feme what more; because the miffive g-oeth- for- 

 ward at the fame titwc 3 arrcf therefore the aire muft haften co o- 

 venike ft,Ietrft any vacuity fhotiM be left between- ch^'flring and' 

 the arrow. It i* certain- Kkewife, that tlie -irre on the fides d'oth 

 alib uporrthed^vifion ofitjfFrcfe back 1 and Wpto-fill that fpacc 

 which the departed arrow learcth void. New t^w ferei-We cte- 

 /ing of the aire at the nock of rhe arrow, mtift needfc give a-w im- 

 pt'lic or blow upon it: ifitfcerrrto'be'buta lictfe one, yoa may 

 ctymlcicr how it is- ytt much' greater, then wfrar the aire arnhheX 

 Bodies fWimmtng in it, do oft the firff gfve unto a- (lne fjlling 1 ' 

 from high: and 1 hcrvr the raflfthrofc little atomes that dVire av 



flonc- 



