of ^eatanfc 4MD* 3 



nients, or to the Hypoftatical Princi^ 

 pies of the Chymifts. 



And having here ( as in a proper 

 place) to avoid ambiguity, premi- 

 sed once for all., this 

 Nummary Declarati- ^SSSnbif 

 on of the fenfe 3 agree- 

 ably whereunto I would have thefe 

 Terms underftood in the following 

 Notes about the Origine of Particu- 

 lar Qualities 5 I proceed now tofet 

 down fome few examples of the Me- 

 chanical Produ&ion of Cold 8c Heat) 

 beginning with thofe that relate to the 

 former^ becaufe by reafon of their 

 Paucity they will be quickly dif- 

 patcht. And I hope I (hall not need 

 to make an Apology for mentioning 

 no greater number 5 fince I fcarce 

 remember to have met with any In- 

 ftances of this kind in any of the 

 Claflick Writers of Natural Philo- 

 fophy. 



A 3 EX- 



