Part IL /// /^^ C R E A T I o N. 327 



I. The hotter Animals, which require abun- 

 dance of Spirits for their various Motions and 

 Exercifes, are provided with Lungs, which inde- 

 finitely draw in and expel the Air alternately, 

 without Intermiflion, and have a Heart furnifh'd 

 with two Ventricles ; becaufe to maintain the 

 Blood in, that degree of Heat which is requifite to 

 the Performance of the Ad:ions of all the Mufcles, 

 there is abundance of Air neceffary. I (hall not 

 now take notice of the difference that is between 

 the Lungs of Quadrupeds and Birds, how the one 

 are fix'd and immoveable, the other loofe and 

 moveable; the one perforated, tranfmitting the 



f: Air into large Bladders, the other inclos'd with 



' a Membrane. 



It is here worth the notice taking, that many 

 Animals of this Kind, both Birds and Quadru- 

 peds, will endure and bear up againft the extream- 

 ell Rigor of Cold that our Country is expos'd 

 to ; Horfe^ Kine, and Sheepy as I have experienc'd, 

 will lie abroad in the open Air upon the cold 

 Ground during our long Winter-Nights, in the 

 fliarpeft and fevereft Frofts that ever happened 

 with us, without any Harm or Prejudice at all -, 

 whereas one would think, that at leafl the Extre- 

 mities of their Members (hould be bitten, benum- 

 med and mortify'd thereby. Confidering with 

 myfelf by what means they were enabled to do 

 this, and to abide and refift the Cold, it occurr'd 

 to my Thoughts, that the Extremities of their 



Y 4 Toes 



