482 



Mr. Warren De La Rue 



[Jan. 21, 



bladder suspended between the terminals had been suddenly inflated 

 and as suddenly emj^tied. The ratio of the increased volume (pres- 



FiG. 19 



sure) to the noi*mal volume in our experiments rose sometimes as 

 1*71 to 1, and in others there was scarcely any a2)2)reciable increase; 

 in the present instance it is as 1-4 to 1. 



