1895.] LOBIUS TLAVOPALLIATUS AlfD PSITXACUS EBITHACUS. 317 



the postzygapophjsis, so bridging over and enclosing a foramen (/) 

 visible, on either side, when the vertebra is viewed dorsally. In 

 P. enthacus there is no such foramen, though there are two prolon- 

 gations from the postaxial margin of the pleurapophysial lamella, 

 the more ventral one on more posterior vertebrae (s) becoming the 

 styltform pleurapophysial process. 



Fig. 7. 



n .. 



f 



m 

 / 



/ 



« ■ 

 n' 



iz 



iZ 



kp 



hp 



-at 



m. 



m 



■jfz 



Dorsal aspect of 3rd to 12th vertebrae of Lorius flavopalliatus. 



ac. Arterial canal. 



d. Diapophysis. 



/. Foramen. 

 hp. Hyperapopliysis. 



iz. Interzygapophysial ridge. 



m. Metapophysis. 



n. Neural spine. 

 piz. Postzygapophysia. 

 ps. Prezygapophysis. 



