. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . Strigiformes Plate XXXVII Syrnium aluco. Plate XXXVIII Strix flammea CARINATvE Psittaciformes Orange-winged Parrot. Chrysotis amazona. Plate XXXIX. The general color of the eyeground is a deep gray, tinted withbuff. The lower sector and the peripheral zone are suffused withpink, the background generally being punctuated with minute,dull-yellow dots. The macular area is situated towards the nasalside of the disc, a little above the end of the pecten. It is slightlydepress
. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . Strigiformes Plate XXXVII Syrnium aluco. Plate XXXVIII Strix flammea CARINATvE Psittaciformes Orange-winged Parrot. Chrysotis amazona. Plate XXXIX. The general color of the eyeground is a deep gray, tinted withbuff. The lower sector and the peripheral zone are suffused withpink, the background generally being punctuated with minute,dull-yellow dots. The macular area is situated towards the nasalside of the disc, a little above the end of the pecten. It is slightlydepressed and enclosed with a bright but pale green from the circumference of this circle, slightly above aswell as below, are a few translucent fibres, pale green in tone; and atits centre is a dark-gray dot or depression, with a small, faint haloextending from its upper edge. The optic nerve-head looks as if it were composed of coarse, white,opaque fibres, which form a fringe all around the deeply-coloredpecten. The papilla is long and boat-shaped and its outlines canbe traced the whole length of the pecten. Many fine, gray, opaquenerve fibre
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjecteye, bookyear1917
