336 PROFESSOR OWEN'S OBSERVATIONS ON THE DODO. 



Fig. 3. Under view of the same vertebra. 



a. Anterior articular surface of body. 



a'. Its continuation upon the lower part of the body. 



c. Parapophysis, or lower transverse process, from the body of the vertebra. 



d. Diapophysis, or upper transverse process, from the neural arch. 



e. Anterior zygapophyses or articular processes. 

 /. Posterior zygapophyses. 



g. Superior or neural spine. 



h. Inferior or hsemal spine. 



i. Pneumatic orifice. 

 Fig. 4. Side view of ungual phalanx or claw-bone of a large species of Dinornis. 

 Fig. 5. Upper view of the same phalanx. 



6. Back view or articular surface of the same phalanx. 



PLATE XLII. 



Fisr. 1 . Side view of a dorsal vertebra of Dinornis crassus. 



'o 



2. Front view of the same vertebra (minus the spine). 



3. Front view of a dorsal vertebra of Dinornis ingens. 



4. Under surface of the body of the same vertebra. 



b. Diapophysis. 



c. Costal articular surface. 

 /. Foramen pneumaticum. 

 n. Neural canal. 



2. Anterior zygapophyses. 



PLATE XLIII. 



Fig. 1. Mutilated sternum oi Dinornis giganteus, half natural size. 



2. Anterior border of the same sternum, natural size. 



3. Lateral or costal border of the same sternum, natural size. 



4. Reduced view of the anterior surface of the sternum of the Ostrich {Struthio 



camelus), Pander and D'Alton. 



5. Ditto ditto Rhea americana. 



6. Ditto ditto Casuarinus indicus. 



7. Ditto ditto Dromaius ater. 



8. Front view of the sternum of Apteryx australis, natural size. 



a. Anterior angles. 

 c. Coracoid depressions. 

 m. Anterior border, 

 e. Posterior emarginations. 



