. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . er wavy. AccipitriformesLammergeier. Bearded Vulture. Gypaetusbarbatus. Plate XXXII. The eyeground is slate-gray and presents everywhere a granularappearance. The lower half of the fundus is covered with dullorange-red choroidal vessels that run in a vertical direction, parallelto the sides of the optic disc. Above the papilla (about two disc breadths from it on the nasalside) is a small, round, dark-brown pigmented pit, surrounded bytwo distinctly marked, brilliant refl
. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . er wavy. AccipitriformesLammergeier. Bearded Vulture. Gypaetusbarbatus. Plate XXXII. The eyeground is slate-gray and presents everywhere a granularappearance. The lower half of the fundus is covered with dullorange-red choroidal vessels that run in a vertical direction, parallelto the sides of the optic disc. Above the papilla (about two disc breadths from it on the nasalside) is a small, round, dark-brown pigmented pit, surrounded bytwo distinctly marked, brilliant reflex rings, each having a greenishtint. On the nasal side of the nerve-head, but nearer the latter andmuch less distinctly outlined than the depression just described, isthe second macular region with its fovea. It has a soft, indistinctbut dark centre. The optic entrance is pure white with an orange-red central area from which arises the pecten. This body is verynarrow and tapers on its upper aspect for about one-fifth of its then becomes much broader and almost covers the outer zone ofthe disc. CARINATjE. Serpentariiformes Plate XXXI Gypogeranus vol Serpentarius serpentarius
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjecteye, bookyear1917
