xxiv LIST OF ILLUSTRATIONS 



FACING PAGE 



Portrait of Dr. Benjamin Franklin. From an oil painting by 

 Joseph Wright, 1782, reproduced by permission of the 

 Royal Society (see p. 179) . . . .314 



Facsimile Extract from a Letter from Dr. John Fothergill to 

 William Logan, Pennsylvania ; dated from London, 

 1 8th March 1775 (see p. 342) .... 342 



One of the Fothergill Pictures : a Series of Anatomical Draw- 

 ings presented by Dr. J. Fothergill to the Pennsylvania 

 Hospital, 1762 (see p. 368) .... 368 



Portrait of Dr. John Fothergill. Reproduction from a Medallion 



by Wedgwood (see p. 420) . . . .384 



