THE MONTHLY 
\ ) t 
MICKOSCOPICAL JOUKNAL: 
TEANSACTIONS 
OF THE 
ROYAL MICROSCOPICAL SOCIETY, 
AND 
RECOED OF HISTOLOGICAL RESEARCH 
AT HOME AND ABROAD. 
EDITED BY 
HENKY LAWSON, M.D, M.E.C.R, F.E.M.S, 
Assistant Physician to, and Lecturer on Physiology in, St, Mary^s Hospital. 
YOLUME XYI. 
LONDON: 
HAKDWICKE and BOGUE, 192, PICCADILLY, W. 
MDCCCLXXVr. 
