602 THE AMERICAN NATURALIST. [Vor. XXXVI. 
right angles with the axis of the left half, while they are nearly 
in the plane of the axis of the right. The internal structure, 
however, as will be seen, shows that in reality there are two 
nearly complete bodies strangely united to form the animal. 
Posteriorly the two bodies are united to form a single region, 
standing on a right and left hind leg, each of which belongs 
to one of the anterior halves of the body. There is a third hind 
leg. It does not touch the ground, but arises from the center 



Fic. 1, — View of stuffed skin f behind, from a photograph. 

of the rump and projects backward and to the left. This leg 
has the usual form and regions. Of course I have no means of 
knowing its bony structure, but it shows the same external 
subdivisions as the others and ends in two hoofs; the limb, 
however, is shorter than the others, as shown in this table of 
measurements. 

Lzc. Fore Lec. Foor. Hoor- 



FKhtid hg ce 1I in. 8 in. 3 in. 1j in. 
Mode badeg .. ... . 6 in. 6 in. 3 in. 1j in. 





