31. 34, 33
NARVARD COLLEGE LIBRARY
PS4 w21 2
Predlybium Board of Publocation
Entered according to the act of Congress, in the year
1840, by A. W. MITCHELL, M. D., in the office of the
Clerk of the District Court, for the Eastern District of
Pennsylvania.
Printed by
WM. S. MARTIEN.
Stereotyped by
S. DOUGLAS WYETH,
No. 7 Pear St. Philadelphia.