Great Tern (Plate CCCIX)

AFTER JOHN JAMES AUDUBON (1785-1851), BY ROBERT HAVELL (1793-1878) Great Tern (Plate CCCIX) Sterna hirundo engraving with etching, aquatint and hand-coloring, circa 1836, on watermarked J Whatman paper dated 1836, with margins, framed 19 ½ x 15 ¼ in. (49.5 x 38.6 cm) plate on 38 1⁄8 x 25 ¾ in. (97 x 65.5 cm) sheet