[ 4 6 ° ] 
The above experiments I have often repeated, and 
may therefore be relied on : want of leifure has pre- 
vented me from purfuing them more minutely. But 
I hope they will lerve as hints to others of more abili- 
ties and leifure, than 
Your refpedful 
humble fervant. 
T. Lane. 
Received 
