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University of California Publications 



[Geology 



Tig. 9. Reconstructed skull of Teratornis merriami. 



Fig. 10. Skull of Gymnogyps calif ornianus, adapted from Ridgway. 



Fig. 11. Skull of Haliaeetus leucocephalus alaseanus, large female. 



Figures one-half natural size. A, postauditory process; I, descending por- 

 tion of lachrymal ; N, nostril. 



and the solid interorbital septum, all of which are faleonid char- 

 acteristics. The o'enus is unique in its combination of charac- 

 ters, in the peculiar configuration of the occipital region, the flat- 

 ness of the skull, the shape of the foramen magnum, the large 

 size, and, if we accept the association of the other parts de- 

 scribed, in the remarkable shape and proportions of the sternum. 



