Drawing of two eggs on heavier stock, watermark: J. Whatman 1850. At foot of page: name of bird and "J[. H. Gould]; drawing is in very soiled condition but Dr. Sauer cites the missing part of the name as "faintly" visible. Previously cited as GCS O-6, and so marked in pencil on reverse. Artist's name(s): Gould, John Henry.