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tft (E75 
THE ELEMEN 
FOSSIL CONCHOLOGY; 
ACCORDING TO 
THE ARRANGEMENT OF LAMARCK; 
WITH 
THE NEWLY ESTABLISHED GENERA OF OTHER AUTHORS, 
BY CAPTAIN THOMAS BROWN, M.P.S. 
MEMBER OF THE WERNERIAN SOCIETY; HONORARY MEMBER OF THE GEOLOGICAL 
SOCIETY OF MANCHESTER ; FORMERLY PRESIDENT OF THE ROYAL 
PHYSICAL SOCIETY ; AND CURATOR OF THE MANCHESTER 
NATURAL HISTORY SOCIETY'S MUSEUM. 
ILLUSTRATED BY TWELVE ENGRAVINGS ON STEEL. 
v 
LONDON: 
HOULSTON & STONEMAN, PATERNOSTER ROW. 
ADAM & CHARLES BLACK, EDINBURGH. ve 
MDCCCXLIIL, 
