THE RIGHT HONOURABLE 



THE PRESIDENT 



THE VICE PRESIDENTS 

 THE COUNCIL 



AND THE REST OF 



THE FELLOWS 



OF THE 



ROYAL SOCIETY OF LONDON 



THIS 



ABRIDGMENT 



OF THE 



^J)tlo0optitcal Cransactions 



IS 



fJf^ith Permission) 



MOST RESPECTFULLY 



DEDICATED. 





