.4 ^^^^^^--, " ^^^ 



MEMOIR 



/Jt^^ 



A/^ . 



ON 



THE PEARLY NAUTILUS 



(Nautilus PompU'ius, Linn.) 



WITH 



ILLUSTRATIONS 



OF ITS EXTERNAL FORM AND INTERNAL STRUCTURE. 



DRAWN UP 

 By RICHARD OWEN, 



MEMBER OF THE ROYAL COLLEGE OF SURGEONS IN LONDON. 

 AND ASSISTANT CONSERVATOR OF THE MUSEUM OF THE COLLEGE. 



PUBLISHED BY DIRECTION OF THE COUNCIL. 



SMricm o! MoHusT 

 SecBonca library 



LONDON: 



PRI.N'TED BY RICHARD TAYLOR, RED LION COURT, FLEET STREET. 



SOLD BY W. WOOD, 39 TAVISTOCK STREET, COVENT GARDEN, 



Bookseller to the Royal College of Surgeo7is in London. 



1832. 



