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PLATE LXXVII. 
Linornis 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 LXXVIII. 
Dinornis casuarinus. 
. Side view of skull (wanting zygomatic and palato-pterygoid arches). 
Upper view of cranium. 
Under view of cranium. 
Upper view of premaxillary. 
Under view of premaxillary. 
. Inner side of left mandibular ramus. 
. Under view of symphysial end of mandible. 
. Upper view of symphysial end of mandible. 
Dinornis giganteus. 
Vertical longitudinal section of cranium. 
. Inner side of right mandibular ramus, mutilated. 
. Under surface of symphysial end of mandible. 
. Upper surface of symphysial end of mandible. 
. Inner side of left tympanic of Din. caswarinus. 
PLATE LXXXI. 
Dinornis gravis. 
. Side view of skull. 
. Back view of cranium. 
. Top view of cranium. 
. Base view of cranium. 
. Top view of symphysis mandibule. 
. Top view of symphysis mandibule of Dinornis crassus. 

