QUARTERLY JOURNAL 
OF 
MiCROSCOPICAL | SCLENCE: 
EDITED BY 
EDWIN LANKESTER, M.D., F.B.S., &., 
AND 
KE. RAY LANKESTER, B.A. Oxon., F.R.M.S. 
VOLUME XI.—New Senizs. 
With Allustrations on Wood and Stone. 
LONDON 
J. & A. CHURCHILL, NEW BURLINGTON STREET. 
Tez 1: 
