Fig. 1. 
at. 
VOL. 
MR. W. K. PARKER ON 
- Temporal fossa. 
. Squamosal. 
. Post-frontal. 
. Basi-temporal. 
. Os quadratum. 
. Upper view of mandible. 
. Dentary. 
. Symphysis menti. 
. Surangular. 
Articular. 
. Coronoid. 
. Splenial. 
. End view of mandible. 
. Surangular. 
. Angular. 
. Articular. 
. Internal angular process. 
. Upper view of skull and mandible. 
. Upper mastoid eminence. 
. Epiotic eminence. 
. Squamosal. 
. Parietal. 
. Post-frontal (mesial of this process 
—the bone belongs to the frontal). 
. Nasal. 
. Lacrymal. 
. Nasal processes of pre-maxillaries 
(these letters are in front of the 
hinge). 
. Nasal passages. 
. Great sub-mesial groove. 
. Pre-maxillaries. 
THE OSTEOLOGY OF BALANICEPS REX. 
pme. 
. Mesial groove. 
349 
Zygomatic process of maxillary. 
~ Malar. 
j. Quadrato-jugal. 
Os quadratum. 
Dentary. 
. Surangular. 
. Basal view of skull. 
. Condyle of basi-occipital. 
. Foramen magnum. 
. Ex-occipital. 
. Par-occipital process. 
. Basi-temporals. 
. Fissure between basi-temporal and 
basi-sphenoid leading to petrosal. 
. Basi-sphenoid. 
. Groove for eustachian tubes. 
. Part of quadratum articulating 
with squamosal. 
. Frontal. 
eth. 
Lateral ethmoidal region beneath 
the hinge. 
Pre-maxillaries. 
. Lateral groove. 
. Inferior turbinals (pterapophyses). 
. Posterior nares. 
. Vomer. 
. Palatines. 
. Pterygoids. 
. Maxillary. 
j. Quadrato-jugal. 
. Os quadratum. 
PLATE LXVI. 
Skeleton and Hyoid Bones. 
Side view of skeleton of Baleniceps 
rez, half nat. size. 
Atlas. 
IV.—PART VII. 
ar. 
cv. 
ce. 
Axis. 
Cervical vertebrz. 
Carotid canals. 
