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Scientific American, Vol. 100, No. 16 (April 1909) (1909)

leaf 4

An illustration from Scientific American, Vol. 100, No. 16 (April 1909), 1909, leaf 4
To obtain a view of the fundus oculi a special optical instrument, known as the oph- organized and headed by Dr. Casey A. Wood, presi- tessellated effect. The disk is pale gray. Few blood dent of the American Academy of Ophthalmology, is thalmoscope, is necessary; and when the reader thinks vessels… … FlQ. 1.—The fundus oculi of chimpanzee, very similar to that of the negro. Fig. 2.—The eye-ground of the African elephant. The compara- Fig. 3.—Showing the more highly developed eye of the African lion, with many blood vessels. The wavy patch to right is the area of vision. tively simple eye of…

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