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ie 
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PLATE LXXXIV. 
Aptornis defossor. 
Back view of cranium. 
Inner side view of tympanic bone. 
Mandibular articular surface of tympanic bone. 
Outer side view of tympanic bone. 
4a. Hind view of palatines. 
5. 
6. Upper view of mandible. 
ae 
8. Hind surface of ramus of mandible. 
9 
Upper view of mandible of Aphanapterysx (ea ‘Ibis,’ &c.). 
Under view of mandible. 
Front view of tibia. 
10. Side view of fibula. 
10a. Upper end of fibula. 
PLATE LXXXV. 
Aptornis otidiformis. 
. Pelvis, from above, or dorsal aspect. 
. Pelvis, from below, or ventral aspect. 
. Pelvis, from before, or front view of first sacral vertebra and iliac bones. 
Cnemiornis calcitrans. 
. Front view of mutilated first sacral vertebra and iliac bones. 
Notornis mantellii. 
. Fore part of sacrum and iliac bones, from below. 
. Front view of first sacral vertebra and iliac bones. 
PLATE LXXXVI. 
Aptornis otidiformis. 
. Side view of pelvis. 
. Side view of neural spine of first sacral vertebra. 
. Side view of middle sacral vertebre. 
. Section of fourth sacral vertebra and confluent parts of iliac bones. 
Aptornis defossor. 
. Outside view of right femur. 
. Back view of proximal end of right femur. 
