Sweden, and the northern mountains of Finland a continuation of Kjolen (the Keel) which separate Sweden from Norway, while the other great line of upheaval of the old continent, which runs N.W.
In breadth, and have a blunt keel and flat edges.
This keel is much reduced in the New.
The most novel feature, and one the importance of which most ornithologists of the present day are fully prepared to admit, is the separation of the class A y es into two great divisions, which from one of the most obvious distinctions they present were called by its author Carinatae' and Ratitae, 2 according as the sternum possesses a keel (crista in the phraseology of many anatomists) or not.
- lv.) found vestiges of a keel in a young rhea, and apteria in the embryonic ostrich, and she concluded that they were descendants of birds which originally possessed the power of flight.