

261 
Admeasurements of Sternum. 
Dinornis 
elephantopus. D. crassus? D. rheides. 
er in. lines. in. lines, in. lines. 
Length, along mid line, from the anterior border to the 
end of the median process...................... 10 0? 9 0 9 0 
Extreme breadth, across the lateral processes in a 
SEU HIRSD MNTON SI eh. Mi drnsyrecz's Men pte ele 16 0 13 0 8 0 
Breadth of body from fore part of the costaltracts .... 8 0 7 0 5 6 
Length of costal tract .... 0... ccc ce cece ces euce. 2 3 1 he 2 4 
Antero-posterior breadth of ditto ................. ye 5 1 2 0 10 
Antero-posterior extent from anterior border to apex of 
POMIEEIOR NGLOR ry ay cceias EGR ee on 5 6? 4 6 4 5 
Breadth between apices of posterior notches ........ 8 6 6 0 4 0 
Length of median process .................00eeee. 5 08 4 0 5 0 
Breadth of mid part of ditto... 20.00... .ccccceeceen 4 6 3 6 2 0 
Length of lateral process, following the curve of an- 
POOP MOREE, 5-8 aries Beste (Ue G pm ys tle Sanu 7 0 6 0 € 6 
Breadth of base of lateral process.................. 2 9 2 0 0 10 
Breadth of middle of ditto.......... 0.0.0.0 .0 cee 1 2 1 0 0 6 
DESCRIPTION OF THE PLATES. 
PLATE LXXII. 
Fig. 1. Sternum, inner or back view, of Palapteryx elephantopus: nat. size. 
Fig. 2. Costal border and lateral process of the same: nat. size. 
PLATE LXXIII. 
Fig. 1. Sternum, outer or front view, of Dinornis rheides: nat. size. 
Fig. 2. Profile view, right side, of the same sternum. 
PLATE LXXIV. 
Fig. 3. Sternum, inner or back view, nat. size, of Dinornis rheides. 
Fig. 4, Anterior or upper border of Dinornis rheides: nat. size. 
* The end of the median process is not entire ; one, or even two inches may be wanting. 
* This is on the left side; the extent is less on the right side, where the notch is deeper and is terminated 
by a narrower curve. 
* Subject to addition from the part wanting. 
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