. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . Casuariiformes Plate III Casuarius occipitalis. Apterygiformes Plate IV Apt mantelli Tinamiformes Martineta Tinamou. Calodroma elegans. Plate V. The background coloration is, in the main, a deep gray, the lowerhalf merging into dull orange. The whole of the fundi is covered bya collection of tiny dots packed closely together. In the upper halfof the field they are white, but from the region of the disc and down-wards they become a dull orange colour. Crossi
. The fundus oculi of birds, especially as viewed by the ophthalmoscope; a study in the comparative anatomy and physiology . Casuariiformes Plate III Casuarius occipitalis. Apterygiformes Plate IV Apt mantelli Tinamiformes Martineta Tinamou. Calodroma elegans. Plate V. The background coloration is, in the main, a deep gray, the lowerhalf merging into dull orange. The whole of the fundi is covered bya collection of tiny dots packed closely together. In the upper halfof the field they are white, but from the region of the disc and down-wards they become a dull orange colour. Crossing the fundus andrunning vertically on either side of the papilla are several orange-redchoroidal vessels. The macula appears as a dull-gray area, with a brilliant whitecentral spot surrounded by a small, and a pale-green, streaked,reflex ring. It is plainly visible on the nasal side of the optic nerve is oval in shape and exceptionally broad. The mass of the pecten almost completely covers the opticpapilla, which is quite white and looks like a mass of coarse opaquenerve fibres. The optic margins are bordered with gray pigment,from which spring a few sho
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjecteye, bookyear1917
