JLND PHYSIOLOGY. 



Fig. 107. 



9$ 



Coccyx. — 



Tibia. 



Tarsus. 



Clavicle or Furculsu 



,.„ Sternum. 



Skeleton of the Goeland. 



and those of the mammals is that the occipital bone con- 

 sists of four parts instead of one. A small bone, too, is al- 

 ways present called the Os Quadratum, in close proximity 

 with the occipital, temporal, and maxillary bones. A Jugal 



Fig. 108. 



Orbit. Inter-Orbitar Septum. 



Lachrymal Bonc« 

 Nostril. \ 



Sup. MaxiL 



Cranium. 



.... Tympanum. 



^ Os Quadratum. 

 Nasal Fossjb. Jugal Bone. Infer. Maxil. 

 Head of the Eagle. 



What bone in the skull of Jrirds that demauds attention? 



