vi CONTENTS. 



PAGE 



JOHN JAMES AUDUBON 152 



Portrait after a painting by George P. A. Healy, belonging to the Bos- 

 ton Society of Natural History. 



LEWIS DAVID VON SCHWEINITZ 167 



Portrait after a miniature belonging to his family. 



ROBERT HARE 176 



Portrait after a painting belonging to Mr. Frederick Prime. 



CONSTANTINE SAMUEL RAFINESQUE l82 



Portrait after an engraving in his Analyse de la Nature. 

 JAMES POLLARD ESPY 196 



Portrait after a painting in the Smithsonian Institution. 

 THOMAS NUTTALL 205 



Portrait after a daguerreotype formerly belonging to Dr. Asa Gray. 

 THOMAS SAY 215 



Portrait after a lithograph in the Hall of the Academy of Sciences of 



Philadelphia. 

 WILLIAM CRANCH BOND .223 



Portrait after an engraving in the Annals of Harvard College Observa- 

 tory, Volume VII. 

 SAMUEL FINLEY BREESE MORSE 234 



Portrait from a photograph. 

 DENISON OLMSTED 250 



Portrait after a steel engraving by A. H. Ritchie in the New Eng- 



lander for August, 1859. 

 ISAAC LEA 260 



Portrait after an etching by S. J. Ferris. 

 LARDNER VANUXEM 270 



Portrait from a photograph loaned by his daughter. 



ELISHA MITCHELL 279 



Portrait after an engraving loaned by Dr. Henry Carrington Bolton, a 

 kinsman. 



EDWARD HITCHCOCK 290 



Portrait from a photograph furnished by his son. 



HENRY ROWE SCHOOLCRAFT 300 



Portrait after an engraving loaned by Gen. James Grant Wilson. 



SAMUEL LUTHER DANA 311 



Portrait from an albertype in a memorial pamphlet on the Dana 

 family. 



ZADOC THOMPSON 319 



Portrait from a photograph procured by Prof. G. H. Perkins, of the 

 University of Vermont. 



JOHN TORREY 327 



Portrait after a painting belonging to Columbia College. 



GEORGE CATLIN ..336 



Portrait after a miniature by Watkins, of London. 



