^ 



AN INTEODUCTION 



TO THE STUDY OF 



MAMMALS 



LIVING AND EXTINCT 



BY 



WILLIAM HENBY FLOWEB 



C.B., F.R.S., D.C.L., LL.D., P.Z.S., F.L.S., F.G.S., &c. 



DIRECTOR OF THE NATURAL HISTORY DEPARTMENTS, BRITISH MUSEUM 



AND 



BICHABD LYDEKKEB 



B.A., F.G.S., F.Z.S., &c. 





THE Wi;iOLLY OPOSSUM 



LOXDOX: ADAM AXD CHABLES BLACK 



MDCCCXCI 



