No. 1.] [Price 10s. 
CONTRIBUTIONS 
Division of Moltusks 
} ITy 
ce 
ore 
NSCI 
TO THE 
DEVELOPMENTAL HISTORY OF THE MOLLUSCA. 
BY 
E. RAY LANKESTER, M.A., F.RS., 
FELLOW OF EXETER COLLEGE, OXFORD. 
From the PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY.—Parr I. 1875. 
LONDON: 
PUBLISHED FOR THE ROYAL SOCIETY 
BY TRUBNER AND CO., LUDGATE HILL, E.C. 
1875. 
tee 91 i ee 
