THE TRUE KANGAROOS AND WALLABIES 



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whitish face; the length of the head and body of the female being twenty and one- half 

 inches, and that of the tail twenty-three inches. On the other hand, the brown tree kan- 

 garoo (D. inustus] of New Guinea, and the Queensland tree kangaroo (D. lumholtzi), 

 have the back grayish, and the face (and in the Queensland species the paws) black. 

 Finally, Doria's tree kangaroo (D. dorianus), of the southeastern part of New 

 Guinea, differs from all the others in having the fur of the back directed forward. 

 Comparatively little is known of any of the species in their native haunts; al- 

 though it appears that they spend most of their time in the trees. Dr. Guillemard, 



THE BLACK TREE KANGAROO. 

 (One-seventh natural size.) 



who had two of these animals alive on board ship, which he had captured in New 

 Guinea, writes that the tree kangaroo " is as yet a tyro in the art of climbing, per- 

 forming this operation in the slowest and most awkward manner. Our pets, for 

 instance, would take a full minute or more in ascending the back of a chair, but 

 their hold is most secure, and if we wished to pull them off, we had considerable 

 difficulty in doing so, so tightly do they cling." It is added that the tail, although 

 not actually prehensile, is pressed against the branches in climbing, and appears to 

 be of considerable assistance. Of the Queensland species, locally known as the 



