Philosophical Institute of Canterbury. 427 
remarkably broad and divergent, tibia with both extremities largely developed 
and standing inward, so as to give the skeleton a bow-legged appearance ; 
pelvis very broad and like the bones of the leg, and the rest of a truly 
pachydermal character; bil very obtuse and rounded at the tip; sternum 
flattened, broader than long, with a strong costal process, lateral processes 
standing at a higher angle than in any of the Dinornithide ; no coracoid 
depressions in. aged specimens; no bony scapulo-coracoid, two intercostals 
ouly. 
1. Palapteryx elephantopus. 
2. Palapteryx crassus. 
b. Genus Luryapteryx.* 
Metatarsus short and broad, but not so pachydermal as the former, with a 
hallux and hind toe ; tibia straighter, and without the extremities so enlarged 
as in Palapteryx ; sternum longer than broad, more concave than the former 
genus, without coracoid depressions, but with strong and long costal p 
mesial portion anl process comparatively longer than in all the former 
subdivisions, no bony scapulo-coracoid, beak not so obtuse as in the former. 
1. Éuryapteryx gravis. 
2. Huryapteryx rheides. 
In the preceding list I have only entered those well-defined species of 
which we possess ample material for comparison and generalization, leaving 
several others, of which we obtained only portions, for a future notice ; but 
amongst them I may at least allude to one species which appears to approach 
the Emu of Australia in its general characteristics. I had also the intention 
to add some notes on the crania of the different genera, but fear that it would 
make this address too long were I to give them here. 
However, before proceeding there is one point to which I wish to draw 
your attention, namely, to the existence or absence of a bony scapulo-coracoid. 
In the genus Dinornis we find deep and well-defined coracoid depressions 
in the anterior border of the sternum of each species; and the excavations 
have furnished us with a series of scapulo-coracoids which fit exactly into 
those depressions. Moreover, these small and peculiar bones, by their form 
and size, agree also in other respects well with the different species enumerated. 
However, when we examine the sternums of the genus Palapteryx, and 
principally that of Palapteryx elephantopus, we tind some with well-marked 
depressions, others with only faint ones; whilst there are others, belonging 
apparently to aged birds, where there is not the least appearance of them. 
Again, we possess a few sternums in which a depression exists on the 
one side, whilst it is missing on the other; so that we are compelled to 
conclude that по bony scapulo-coracoid could articulate with them. Moreover, 
* From eurys, broad ; and срѓегуг, without wings. 
