A HISTORY 



OF THE 



MOLLUSCOUS ANIMALS 



OF THE COUNTIES OF 



ABERDEEN, KINCARDINE, AND BANFF; 



TO WHICH IS APPENDED 



AN ACCOUNT OF THE 



CIRRIPEDAL ANIMALS 



OF THE SAME DISTRICT. 



BY 



WILLIAM MACGILLIVRAY, A.M., 



PROFESSOR OF NATURAL HISTORY, 



IN THE UNIVERSITY OF MARISCHAL COLLEGE, ABERDEEN; 



MEMBER OF THE WERNER1AX NATURAL HISTORY SOCIETY OF EDINBURGH, 

 THE NATURAL HISTORY SOCIETY OF PHILADELPHIA, 



THE LYCEUM OF NEW YORK, 

 THE LITERARY AND PHILOSOPHICAL SOCIETY OF SOUTH CAROLINA, 



THE NATURAL HISTORY SOCIETY OF BOSTON, 



AND THE MEDICAL AND PHILOSOPHICAL SOCIETIES 



OF ABERDEEN. 



LONDON: 



CUNNINGHAM & MORTIMER, ADELAIDE STREET, 

 TRAFALGAR SQUARE ; 



AND SOLD BY 



LEWIS SMITH, UNION STREET, ABERDEEN. 

 1843. 



