254 PEOFESSOE OWEN ON THE GENUS DINOENIS. 



DESCRIPTION OF THE PLATES. 



PLATE LI. 



Dinornis parvus. 

 Fig. 1. Front view of skeleton, reduced; see 'scale,' PI. LVIII. 

 Fig. 2. Side view of the first cervical or ' atlas ' vertebra. 

 Pig. 3. Front view of the same vertebra. 

 Fig. 4. Back view of the same vertebra. 

 Fig. 5. Side view of the second or 'axis' vertebra. 

 Fig. 6. Upper view of the same vertebra. 

 Fig. 7. Under view of the same vertebra. 

 Fig. 8. Front view of the same vertebra. 

 Fig. 9. Back view of the same vertebra. 

 Figs. 10-12 a. Different views of ossified tracheal rings of Z>. parvus. 



Figs. 2-12 a are of the natural size. 



PLATE LII. 



Skull of Dinornis parvus : nat. size. 

 Fig. 1. Side view. 



Fig. 2. Upper view. 



Fig. 3. Under view. 



Fig. 4. Back view. 



Fig. 5. Mandible, upper view. 



Fig. 6. Left ramus and symphysis, under view. 



Fig. 7. Inner surface of left ramus. 



PLATE LIII. 



Pelvis of Dinoi'nis parvus. 

 Fig. 1. Side view. 

 Fig. 2. Upper or outer view. 

 F'ig. 3. Front surface : nat. size. 

 Fig. 4. Hind surface : nat. size. 



Figs. 1 & 2 are two thirds of the natural size. 



PLATE LIV. 



Pelvis and caudal vertebriE of Dinornis jMrvus. 

 Fig. 1. Under view of the pelvis. 

 Fig. 2. Side view of the caudal vertebrae. 

 Fig. 3. Upper view of the caudal vertebrse. 



