American Black Oystercatcher (Haematopus bachmani) and Blackish Oystercatcher?, Havell plate no. 427

Object Number: 
Watercolor, graphite, and pastel with scratching out and touches of black ink and gouache on paper, laid on card
Paper: 20 3/4 x 28 3/4 in. (52.7 x 73 cm) Mat: 31 x 41 in. (78.7 x 104.1 cm)
Inscribed at upper center in graphite vertically[partially erased]: "..2…4 / … / usual depth --"; at upper right vertically: "On Some of these Birds-bills / The indentation of their… that / much in opening Shells as well / marked by having scale like / ...from it --"
Credit Line: 
Purchased for the Society by public subscription from Mrs. John J. Audubon
Due to ongoing research, information about this object is subject to change.
Creative: Tronvig Group