THE 
OFFICE, 206 WALNUT PLACE. 
OFFICERS FOR THE YEAR ENDING APRIL 27, 1878. 
PRESIDENT, 
WILLIAM CAMAC, M. D. 
VICE-PRESIDENTS, 
J. GILLINGHAM FELL, GEORGE W. CHILDS. 
CORRESPONDING SECRETARY, 
JOHN L. LECONTE, M. D. 
RECORDING SECRETARY, 
JOHN SAMUEL. 
TREASURER, 
EDWARD BIDDLE. 
DIRECTORS, 
WILLIAM S. VAUX, 
FREDERICK GRAFF, 
CHARLES W. TROTTER, 
J. VAUGHAN MERRICK, 
JOHN WAGNER, 
WILLIAM H. MERRICK, 
S. FISHER CORLIES, 
THEO. L. HARRISON, 
HENRY C. GIBSON, 
ISAAC J. WISTAR, 
WILLIAM HACKER, 
PROF. JOSEPH LEIDY. 
ACTUARY, 
CHARLES L. JEFFERSON. 
SUPERINTENDENT OF THE GARDEN, 
ARTHUR E. BROWN. 
SOLICITORS, 
S. WAGNER, Jr., W. W. MONTGOMERY. 
