A 
HISTORY 
OF THE 
BRITISH ZOOPHYTES. 
BY 
GEORGE JOHNSTON, M. D. Edjn. 
FELLOW OF THE ROYAL COLLEGE OF SURGEONS, AND EXTRAORDINARY MEMBER 
OF THE ROYAL MEDICAL SOCIETY OF EDINBURGH. 
ARMS OF THE TOWN OF BERWICK-UPON-TWEED. 
W. H. LIZARS, EDINBURGH : 
S. HIGHLEY, 32, FLEET STREET, LONDON; AND 
W. CURRY, JUN. & CO., DUBLIN. 
MDCCCXXXVIIL 
