I 



MEMOIR 



WILLIAM MACLURE, Esq. 



v • 



LATF. PRESIDENT OP THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA. 



\ 



DY 



SAMUEL GEORGE MORTON, M.D., 



ONE OF THE VICE-PRESIDENTS OF THE INSTITUTION. 



READ JULY 1, 1841, 

 AND PUBLISHED BY DIRECTION OF THE ACADEMY. 



JJhflatrcIphta: 



PRINTED BY T. K. & P. G. COLLINS. 

 1841. 



