

STRUTHIONIFORMES. 45 
Order APTERYGES. 
Suborder 33. APTERYGES. 
The Kiwis may be diagnosed as follows :— 
A. The keel of the sternum has become obsolete. B. Basipterygoid processes present. 
C. Hallux present. 
Other characters may be added :— 
D. Cervical vertebra not more than 16 in number. 









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In all the Struthioniformes the palatines articulate with the pterygoids, and not with the 
rostrum of the basisphenoid. In the arrangement of their palatine bones the Apteryges do 
not differ much from the Casuarii. 
