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— — —« ►JMWWWWOlWBMWIWIfciMWIIWIHI H< IB— >«I»M H J III II I I I W I II I B .1 _L 



Dr. Conner to Mr. Ray. 



S I n London^ Bow-ftreet^ p r — 96* 



T\R. Shane has been pleas'd to give me your inge- 

 jL/ nious and learned Differtation about Refpiration^ 

 to perufe it,; which I have done with a great deal of 

 Satisfaction and Improvement, finding in it a great 

 many folid Obfervations concerning the Refpiration 

 of Fijhes^ InfeUs^ and other Animals. I find that you 

 think that the Subftance or Body of the Air paffes 

 from the Bronchia and Lungs into the fubftance of 

 the Blood, and xhzx^Pabuli inflar ^ it foments and 

 maintains the vital Flame which you fuppofe to be in 

 the fulphureous Parts of the Blood, as the Air fo- 

 ments the common Flame of a Candle, and that the 

 Nitre has nothing to do in this effe£t. 



You and I, Sir, agree in this, that the body of 

 the Air gets into the mafs of Blood, and that its Ni- 

 tre there is of no ufe or energy. We agree, like- 

 wife, that the ufe of Refpiration is to rarify and vivi- 

 fy the Blood y we only differ in the manner how this 

 raritacHon is performed. I know that -there are very 

 eminent Men which are of Opinion that the oily 

 Parts of the Blood do conftantly entertain not only a 

 confiderable Heat, but likewife a true Flame in the 

 whole Mafs: You add to them that the Air comes , 

 to foment it. I was much of this Opinion my felf not 

 long ago,- but you will be pleafed to let me (with 

 fubmifiion to your Mind) to propofe to you, in order 

 to be informed, the Difficulties I met with in this O- 

 pinion. I find that thofe who eat moll of Cheefe, 

 Butter, fat Meat , and other fulphureous Aliments, 

 and thofe th^t are very corpulent and fat themfelves, 



have 



