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METATARSALS (METACARPALS 2). 
The remains of Phascolonus include four bones of a form very 
similar, on a proportionately reduced scale, to that of the fifth 
metacarpal and metatarsal of Diprotodon. In all of these the 
characteristic production of the outer border is repeated in much 
the same way. Oneof them, slightly longer than the others, also 
has its postero-external angle produced backwards as well as 
outwards as a somewhat laterally compressed conical process, the 
tip of which reaches a point considerably to the rear of the 
proximal articular surface. In two others, probably a pair, the 
production of the proximal part of the outer border is outwards 
rather than backwards, so that the tip of the production does not 
reach to the rear of the proximal articular surface of the bone. 
In both of these latter, moreover, the outer border is emarginate 
—a feature which accentuates the prominence of the production ; 
whereas in the one previously mentioned the outer margin is 
even. We should have been confident in attributing the first 
mentioned single bone to the metatarsus and the pair to the 
metacarpus but that, in a fourth specimen, the production of the 
postero-external angle is of an intermediate character, being both . 
backwardly ard outwardly directed. The outer margin of this 
is also emarginate, though to a less extent than in the supposed 
pair. Thus it is quite possible that they may be all of one 
denomination. Assuming, however, the correctness of our sup- 
position that the first mentioned single bone is, in all proba- 
bility, a metatarsal, it may be said of it that in the general 
production, to a greater or less extent, of the whole outer 
border it bears a close resemblance to the corresponding bone 
of Diprotodon, while the special extension, backwards, of the 
postero-external angle forms a feature common to this bone in 
both Diprotodon, Phascolomys, and Phalangista. 
There are a few other bones and fragments of bones which 
belong either to the metacarpus or metatarsus, but as we are not 
quite sure of their exact position we will not for the present 
take them into consideration except to remark that, in their 
general characters, they resemble certain of the bones of these 
segments in Diprotodon rather than in the wombat. 
PHALANGES. 
Two consecutive phalanges—of the proximal and middle series 
—which, there is reason to believe, belong either to the supposed 
fifth metatarsal (though they might also belong to one of the 
bones considered as the corresponding metacarpal) show a great 
diminution of size when compared to the precedent segment. 
The proximal is a small compressed element with a conspicuous 
production, postero-externally, of its corresponding angle and, toa 
