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Fig. 
OMI TP ow PD 4 
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HOM ND OF op 
PROFESSOR OWEN ON THE GENUS DINORNIS. 149 
DESCRIPTION OF THE PLATES. 
PLATE X. 
Dinornis elephantopus. 
. Side view of skull (wanting zygoma). 
. Back view of cranium. 
. Upper view of cranium. 
. Under view of cranium. 
Front view of cranium. 
. Upper view of premaxillary. 
. Under view of premaxillary. 
. Under view of symphysial end of mandible. 
. Upper view of symphysial end of mandible. 
PLATE XI. 
Dinornis crassus. 
. Side view of skull. 
. Upper view of skull. 
Under view of skull. 
Back view of cranium. 
. Inner surface of tympanic. 
. Outer surface of tympanic. 
. Inner surface of mandibular ramus. 
. Under view of mandibular ramus and symphysis. 
. Upper view of mandibular ramus and symphysis. 
PLATE XII. 
Dinornis rheides. 
. Side view of skull. 
Back view of cranium. 
Top view of cranium. 
Base view of cranium. 
. Top view of mandible. 
. Back view of left ramus of mandible. 
. Inner view of left ramus of mandible. 
. Inner view of right zygomatic arch. 
. Outer view of right tympanic. 
0. Inner view of right tympanic. 
