412 



ZOOLOGY 



SKCT. 



FIG. 1052. Apteryx australis. Skeleton. (From a specimen in the 

 British Museum, Natural History.) 



ORDER 7. GASTORNITHES. 

 Including Gastornis and other genera from the Eocene of Europe. 



Division B. Carinatae. 



Neornithes in which, with the exception of some flightless species, 

 the sternum has a keel, the coracoid and scapula are not ankylosed, 

 the acrocoracoid and usually the furcula are well developed, and the 

 coraco-scapular angle is less than a right angle. There is a pygo- 

 style around which the rectrices are arranged. The quadrate 

 usually articulates with the skull by two facets. The barbs of the 

 feathers have booklets. 1 



1 Except, perhaps, in Hesperornis. 



