Xll LIST OF ILLUSTRATIONS. 



45. William P. Wilson, Sc. D., from a half-tone plate 

 made at the Philadelphia Commercial Museums, and loaned 

 to the author. 



46. John W. Eckfeldt, M. D., from a photograph by 

 Rothengatter & Dillon, Philadelphia. 



47. Henry Trimble, from a photograph by F. Gute- 

 kunst Co., Philadelphia, taken in 1895. 



48. George M. Beringer, from a photograph (enamel 

 finish) by Garns & Co., Camden, N. J., taken in 1895. 



