The Yangtze Giant Turtle, Oscaria swinhoei; now known as Rafetus swinhoei. This is the specimen received by Gray from Robert Swinhoe, 1873.
Gray, J. E. "Notes on Chinese Mud-Tortoises....", Annals Mag of Nat Hist, ser 4, vol. XII, 1873. Plate V: http://www.archive.org/stream/s4annalsmagazine12londuoft#page/n527/mode/2up
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