Page:Popular Science Monthly Volume 21.djvu/483

Rh sphenoidal escutcheon, and the basipterygoid apophyses with their faces well accentuated, are exhibited. According to Mr. Huxley, this



character occurs now with several birds—divers, ducks, and hens—and with several lacertians and ophidians.

The upper mandible, which was found almost entire, is very remarkable for a series of false alveoles, reminding one of the atrophied