ONYCHOGALEA UNGUIFERA, Gould. 
Nail-tailed Kaag’aroo. 
Head, Arms, and Tip of the Tail, in two positions, of the size of nature. 
A MORE singular Kangaroo than the present does not exist among the known species of 
this great family of animals, its whole contour being characterized by a degree of elegance 
seldom seen among the Mammalia ; but its most peculiar feature is the well-developed 
but somewhat flat nail at the end of the tail. It is said that the Lion has this organ 
terminating in a spiny hook ; and here we And an analogous feature among the Kangaroos. 
From the discovery of Austraha to the present time (March 1863), the single specimen 
of this animal in the British Museum is the only one that has been sent to Europe. 
It win be seen by the accompanying illustration, that the appendage which renders this 
species so remarkable is covered and protected by a weU-developed tuft of lengthened 
hairs. Reduced figures of the entire animal wiU be found on the succeeding Plate, and 
a more lengthened description on the accompanying page. 
