CORRESPONDENCE OF RAY. 283 



have good success. The thing is particularly recom- 

 mended to me by this consideration, that this well settled 

 may be as a channel into which particular and private 

 charities may be derived, in which they may run to the 

 named good purposes, and to still higher and better, if, 

 under the Divine blessing, it shall go on and prosper. 

 If you meet anything for or against it, you will oblige me 

 by the communication. 



Ch. August 20, 1694. 



Mr. Ray to Dr. Hobinson. 



Sir, — There are three particulars which I must beg 

 information from you concerning. Whether there be 

 sufficient authority that the blood of a living hedo-ehoo- 

 is cold to the touch ? which Dr. Lister takes for granted. 

 I never read of any but Segerus who did affirm it, and 

 do much doubt of the truth of it. .2. Whether the blood 

 flowing from the artery of a Kving fish, between the heart 

 and the gills, be of a florid red, like the arterial blood of 

 quadrupeds, as Dr. Lister affirms? 3. Whether the 

 venal blood of an animal may by any artificial compres- 

 sion or constriction be changed into the colour of the 

 arterial? To which I shall add a question more, viz. 

 Whether in the chicken before exclusion there be any 

 foramen ovale, or arterial channel for the passage of the 

 blood, while the lungs lie vacant. 

 Dec. 20, —M. 



Dr. Robinson to Mr. Ray. 



Sir, — Some of your queries I can answer, as that 

 relating to the blood of a hedgehog, which I found to be 

 warm to the touch when I was at Mr. Clutterbuck's, in 

 Essex, where I was particidarly curious to examine that 



