Tothe HONOURABLE 
Sr. Jofeph Williamfon, Kt. 
Prefidcnt o^tht^yal Society-^ and to the Coun- 
cil, and Fellows of the laid Society. 
SI R, 
THere U no man that hath the free ufe of his 
(Bjafon and Senfcs^ with Opportunity^ but muji 
M naturally fall to^hllof^phizing j a^ a Silk^ 
worm that is full grown ^ and hath a conyenient place^ 
jnujlfall to Spinning. !Bwt one whom the %oyal So^ 
ciety hath fo far honoured and obliged^ as to make him 
of their TSlumber how much lefs pojfible is it for him . 
to live a Drone y and not to ail his part in jo tnduftrl^ 
ous and noble a Hiye ? Js a Specimen of what I am 
willing more particularly to apply my [elf to^ Ihere hum^ 
biy offer the following Vijcourfe to your acceptance. 
