| OCR Text |
Show 1895.] LORIUS FLAVOPALL1ATUS AND PSITTACUS ERITHACUS. 315 surface of the (p) parapophysis, or parapophysial lamella, more sharply developed than in tbe axis; the neural spine is more dorsad, the apices of the hyperapophyses (hp) even somewhat preaxiad. The hinder margin of the pleurapophysial lamella (pi) shows an inclination to develop two superimposed, postaxiad prominences. Fig. 4. Axis of Psittacus erithacus. A. Anterior aspect. B. Dorsal aspect. C. Lateral aspect. D. Ventral aspect. h. Hypapophysis. hp. Hyperapophysis. n. Neural spine. o. Odontoid process. pi. Pleurapophysial lamella. ptz. Postzygapophysis. Fig. 5. pz \ Lateral aspect of 3rd to 12th vertebrae of Lorius fiavopalliatus. c. Catapophysis. d. Diapophysis. /. Foramen. h. Hypapophysis. hp. Hyperapophysis. iz. Interzygapophysial ridge. m. Metapophysis. n. Neural spine. pi. Pleurapophysial lamella. ptz. Postzygapophysis. pz. Prezygapophysis. st. Styliform process. The fourth vertebra has, in both species, the prezygapophyses (f>z) extending much preaxiad, In L. fiavopalliatus the neural |
