Mark Catesby, ‘The Viper-mouth (Silurus cataphractus)’, published 1731-1743, National Gallery of Art, Washington, D.C.
plate: 26 x 35.7 cm (10 1/4 x 14 1/16 in.)  sheet: 35.6 x 53.8 cm (14 x 21 3/16 in.)

About Mark Catesby