‘Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
214 
DESCRIPTION OF THE PLATES. 
PLATE LII. 
. Upper view of the cranium of a large species of Dinornis (?). 
2. Side view of ditto. 
ho 
_ Under view of the premaxillary bone of the same cranium. 
PLATE LIII. 
. Back view of the mutilated cranium of the young of the Dinornis giganteus (?). 
. Upper view of ditto. 
. Front view of ditto, from which the frontal bones have been separated at the 
coronal suture. 
. Moiety of a vertically and longitudinally bisected cranium of a Palapteryz (?). 
a, Internal auditory foramina. 
v, Foramen for the nervus vagus and a vein. 
tr, Foramen for the third division of the trigeminal nerve. 
c, Cerebellar fossa. 
All these letters are in the epencephalic compartment of the cranium. 
o, Mesencephalic compartment lodging the optic lobes: and below these 
the third ventricle and its hypophysis. 
p, The prosencephalic compartment. 
(1s), Olfactory chamber. 
Fig. 5. Side view of the cranium of a Palapteryx (?). 
Fig. 6. Base view of the cranium of another species of Palapteryz. 
The letters and figures are explained in the text (pp. 205-213). 


