B.M GUIDE FOSS. MAMM. AND BIRDS. 



PLATE IV. 



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Skin of Extinct Ground-sloth (Grypotliermm listai) from a Cavern near 

 Last Hope Inlet, Patagonia; one-sixth nat. size. The outer side (A) 

 bears coarse hair ; the inner side (B) exhibits small nodules of bone 

 imbedded in the substance of the skin. (Table-case 15a.) 



(To face p. 74. 



