98 THE HOUSE I LIVE IN. 



step, long before night. And, in a very few 

 days, the bones would be completely worn out 

 and unfit for use. I question if they] would 

 last even a whole day. Iron or steel, or even 

 the hardest thing you can think of in the world, 

 would wear out in a very short time. What, 

 then, can be the reason why the knees and all 

 the other joints do not wear out ? There is no 

 place to put in tar or oil, to prevent it. 



SYNOVIA. I have said that many of the 

 joints are completely shut up, as if by a sack. 

 Now the Author of the frame has so contrived 

 it, that a substance, called synovia, which an- 

 swers all the purpose of oil or tar, continually 

 oozes out on the inside of the ligaments at the 

 joints, and keeps the ligaments themselves, and 

 the joints, soft and moist. Can anything be 

 more curious? Can anything prove, more 

 clear! \ r , i great Designer, or, as I might say, a 

 great Master Builder ? 



One thing to be remembered is this : The 

 syi.r or liquor which thus oozes out to 

 lui rate the joints, will be of just the right 

 quality and quantity when we are in the most 



