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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. 
WRGOFESSOR OF BOTANY AND VEGETABLE PHYSIOLOGY. 
Rev. JOHN L. RUSSELL. 
PROFESSOR GF ENTOMCLOGY. 
T. W. HARRIS, M. D. 
PROFESSOR OF HORTICULTURAL CHEMISTRY. 
J. W. WEBSTER, M. D. 

