380 PROFESSOR OWEN ON THE GENUS DINORNIS. 
PLATE XLITI. 
Aptornis otidiformis. 
. Side view of pelvis. 
. Side view of neural spine of first sacral vertebra. 
. Side view of middle sacral vertebree. 
4. Section of fourth sacral vertebra and confluent parts of iliac bones. 
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Aptornis defossor. 
5. Outside view of right femur. 
Fig. 6. Back view of proximal end of right femur. 
7. Distal articular surface of right femur. 
Fig. 8. Proximal articular surface of tibia. 
Notornis mantelli. 
Fig. 9. Side view of anterior portion of pelvis. 
PLATE XLIV. 
Aptornis defossor. 
1. Metatarsus, front view. 
2. Metatarsus, back view. 
Fig. 3. Metatarsus, outer side view. 
4. Proximal end of metatarsus. 
la. Distal end of metatarsus. 
Aptornis otidiformis. 
Fig. 5. Distal end of metatarsus. 
Fig. 6. Metatarsus, front view. 
Dinornis curtus. 
Fig. 7. Metatarsus, small var.: front view. 
Fig. 8. Metatarsus, normal size: front view. 
Fig. 9. Metatarsus, id.: proximal end. 
Fig. 10. Metatarsus, id.: distal end. 
All the figures are of the natural size. The letters and numerals of reference are 
explained in the text. 
