OCR Text |
Show 1895.] LORIUS FLAYOPALLIATUS A N D PSITTACUS ERITHACUS. 323 more. This subdivision accompanies a slight increase in the dorso-ventral perforation of this vertebra compared with that of the preceding one. In L. fiavopalliatus this subdivision does not take place. The hypapophysis is more quadrate in P. erithacus. PV Dorsal aspect of thorax, pelvis, and tail of Lorius fiavopalliatus. a. Acromion. at. Antitrochanteric process. co. Coracoid. d. Diapophysis. er. Sacral escutcheon. /. Furculum. g. Glenoid surfaces. ges. Groove beside sacral escutcheon. hp. Hyperapophysis. ic. Lateral iliac ridge. is. Ischium. Ic. Crest of ilium. If. Iliac fossa. Is. Ilio-caudal spine. n. Neural spine. of. Obturator foramen, ptz. Postzygapophysis. pu. Pubis. pz. Prezygapophysis. py. Pygostyle. sc. Scapula. si. Sacro-ischiatic ridge. t. Transverse process. up. Uncinate process. The fourteenth vertebra in L. fiavopalliatus is like its thirteenth save that the neural spine (n) is more extended antero-posteriorly. In P. erithacus the subdivision spoken of as having taken place in the thirteenth vertebra is here more decided, the catapophyses 21* |