TO 



WILLIAM BABINGTON, 



M.D. F.R.S. 



THESE CONVERSATIONS ARE DEDICATED, 



IN REMEMBRANCE 

 OF SOME DELIGHTFUL DAYS PASSED IN HIS 



SOCIETY, 



AND IN GRATITUDE 

 FOR. AN UNINTERRUPTED FRIENDSHIP OF 



A 

 QUARTER OF A CENTURY. 



A 2 



