Right Eyeball of Bird

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“Right Eyeball of Bird, seen from behind, showing the following muscles; a, rectus superior; b, rectus externus; c, rectus inferior; d, rectus internus; e, obliquus superior; f, obliquus inferior; g, quadratus; h, pyramidalis, with its tendon, k, passing through a pulley in the quadratus (as shown by dotted line) to keep it off the optic nerve, i, then passing around the edge of the ball to its insertion in the nictitating membrane.” -Whitney, 1911


Bird Anatomy


William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)


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