I > a.i 



THE 



NATURALIST'S LIBRARY. 



EDITED BY 



SIR WILLIAM JARDINE, BART. 



F.E.S.E., F.L.S., ETC., ETC. 



VOL. XXIII. 



MAMMALIA. 

 THICK-SKINNED QUADRUPEDS. 



BY THE EDITOR. 



LONDON: 



HENRY G. BOHN, YORK STREET, COVENT GARDEN ; 



AND ALL BOOKSELLERS. 



