Inscribed in Thomas Pennant's hand in pen and brown ink at upper center, "Coryphona Hippuris Lin. syst. 446. arted. syn.28".
One of fourteen drawings and one colored proof engraving removed from Mark Catesby's "The Natural History of Carolina, Florida, and the Bahama Islands...", 2 vol., London, 1731-1743 (PML 45708-45709).