132 Mr. H. G. Seeley on Prof. Owen's 
exoccipital. I would here remark that the exterior closing of £ 
the cavity or ring for the passage of the temporal muscles also fj 
occurs in birds. 
* The malar and superior maxillary do not follow the type 
of birds. The malar consists of a single bone, which forms 
the greater part of the anterior and inferior boundary of the | 
orbit of the eye (which is surrounded with bones), and in this 7 
respect resembles most of all certain lizards, such as the 
dragons and Iguana. In birds the cavity for the eye is not 
generally closed below with bones; but whenever it is so 
closed, it is not by the malar bone. 
“ The process of the malar bone which ascends in front of 
downward and attenuates towards the end. Of these two 
the front part of the border of the orbital cavity. In addition 
by a bony partition, and contained, as in 
