318 



DE. ST. GEOEGE MIVAET Olf THE SKELETON OF [Apr. 2, 



The sixth vertehi^a of L. flavopalUatus has the postzygapophyses 

 (ptz) not extending so far backwards as in the preceding bone. 

 The neural spine (n) has almost disappeared, but on either side of 

 it the hyperapophyses (/«»/) appear as marked processes which are 

 altogether anterior to the postzygapophyses. The prezygapo- 



Fig. 8. 



Dorsal aspect of 3rd to 12tli vertebrae of Psittacus eriihacus. 



d. Diapophysis. 

 /. Foramen. 

 kp. Hyperapophysis. 

 m. Metapophysis. 



n. Neural spine. 

 ptz. Postzj-gapophysis. 

 St. Styliform process. 



