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E. HERSY DERBY, Salem. 

 THOMAS WHITMARSH, Brooklme. 

 J. M. GOURGAS, Weston. 

 OLIVER FISK, Worcester. 

 WILLIAM PRATT, Jr. Boston. 

 SAMUEL JAQUES, Jr. Charlestown. 

 JOSEPH G. JOY, Boston. 

 WILLIAM KENRICK, Newton. 

 JOHN LEMIST, Roxbury. 

 BENJAMIN RODMAN, New-Bedford. 

 THOMAS G. FESSENDEN, Boston. 

 CHARLES TAPPAN, Boston. 

 JACOB TIDD, Roxbury. 

 JONATHAN WINSHIP, Brighton. 

 AARON D. WILLIAMS, Roxbury. 

 J. W. WEBSTER, Cambridge. 

 GEORGE W. BRIMMER, Boston. 

 DAVID HAGGERSTON, Watertown. 

 CHARLES LAWRENCE, Salem. 



PROFESSOR OF BOTANY AND VEGETABLE PHYSIOLOGY. 



Rev. JOHN L. RUSSELL. 



PROFESSOR OF ENTOMOLOGY. 



T. W. HARRIS, M. D. 



PROFESSOR OF HORTICULTURAL CHEMISTRY. 



J. W. WEBSTER, M. D. 



