334 PROFESSOR OWEN'S OBSERVATIONS ON THE DODO. 



Fig. 4. Under view of ditto, mutilated. 

 I. Basi-occipital. 

 i'. Occipital condyle. 



3. Supra-occipital plate. 



r. Supra-occipital ridges. 



d. Supra-occipital impressions. 



4. Par-occipital process. 



5. Carotid canal in basi-sphenoid. 



6. Foramen ovale in ali-sphenoid. 



n. Foramen rotundum. 



0. Foramen opticura. 

 1. Parietal portion of cranium. 

 8. Mastoid process. 



11. Frontal portion of cranium. 

 ii'. Orbital plate of frontal. 



12. Post-frontal prominence. 



18. ^Ethmoidal cavities for organ of smell. 

 28. Articular depression for os tympanicum. 

 Fig. 5. Upper view of the dried head of the Dodo {Didus ineptus), preserved in the 

 Ashmolean Museum at Oxford, 

 n. Nostrils. (All the figures are of the natural size.) 



PLATE XXXIX. 



Fig. 1. Upper view of the skull of the Emeu {Dromaius Nova HoUandia). 



2. Under or base-view of ditto, wanting the lower jaw and right tympanic bone. 



3. Side view of cranium of ditto. 



4. Side view of cranium of Dinornis dromioides. 



5. Upper view of ditto. 



6. Under view of fore-part of cranium of ditto. 



1. Basi-occipital. 



2. Ex-occipitals. 



3. Supra-occipital. 

 * 4. Par-occipital. 



5. Basi-sphenoid. 



6. Ali-sphenoid. 

 r. Parietals. 



8. Mastoids. 

 9- Pre-sphenoid. 

 11. Frontals. 



