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In this 22-page opinion, we read words like exigible, pellucid, struthious, and supererogatory.

Fossil diprotodons of gigantic size and struthious birds rivalling in stature the New Zealand moa, are found in Central Australia.

The wings of struthious birds differ from those of the Carinatae, just described, in many ways.

In both ostrich and Rhea, as well as in all the other struthious birds, the under surface of the wing is entirely bare.

The first would serve to account for the few exceptional Struthious birds of the modern world.