THE 
NATURAL HISTORY 
OF 
IRELAND. 
IN FOUR VOLUMES. 
VOL. IV. 
MAMMALIA, REPTILES, AND FISHES. 
ALSO 
INVERTEBRATA. 
BY THE LATE 
Wm. THOMPSON, Esq., 
PRESIDENT OF THE NAT. HIST. AND PHILOSOPHICAL SOCIETY OF BELFAST, CORRESPONDING 
MEMBER OF THE NAT. HIST. SOCIETY OF BOSTON, TJ. S. ; 
OF THE ACADEMY OF NATURAL SCIENCES, PHILADELPHIA, ETC. 
LONDON : 
HENRY O. BOHN, YORK STREET, COVENT HARDEN. 
1856. 
