m DE TARANTULJE 



pneumaticx diametcr eo graviorem edent, 

 fonum , et c contra. 



Ira a pari de variis Fibrarum corporis 

 tenfionibus eric difcurrendum , quat in flatu 

 naturali tales edunt motns ofcillatorios , uC 

 in quadam fmt proportionc cum divciHs 

 earumdem tenflonibus : & ratione varix fi« 

 brarum tenfionis, & longiiudinis, qu^m va« 

 riac quoque rcfultent orcillationum vires^di* 

 verfls prorsiis viribus fuper hquidis operan- 

 tur: adeb tamen proportionalibus, ut ex tot, 

 & tam diverfis impulfibus,ordinat!ffimi ema- 

 ncnt Ijquidorum motus: nam fibrsc ofcillan- 

 tes tali artificio ab Authore naturac funt fa« 

 brefa<51:ae , & fii? , ut ahquem componentes 

 tiibum j per qucm debeant liquida fluere, 

 tjenfionum, & ofcillacionum rationes a tubu- 

 lorum diameurisdeducantur : Quamobremqub 

 m'nor erit tubuh diamcter , eo minori in 

 fpatioofcillationes coardlabuntur: nam fibr^. 

 tubulum ilhim componentes minorem bre- 

 viffim? funt , ^ idc6 minimum in ofcillan- 

 do fpatium percurrent ^ ac proinde liquidu 

 contentum percutient vibrationibus tenfloni 

 correfpondentibus : Sed quum in minima dia- 

 metro , minima contineatur liquidi quanti- 

 tas , perbrcvcs illx vibrationes fatis erunt 

 ad hquidi contentam quantitatcm ultrb co- 

 ^cndam ; & rcfpe<51u proportionis varoruno 



mino- 



