Phaeochroa cuvierii -- Fandanguero pecho escamoso. Alternate name on piece: Campylopterus ? [sic] cuvieri. Vegetation sketched and colored in more final form; straight pin affixed to sheet--perhaps there were cut-outs of the birds to be attached. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Richter, Henry Constantine. Conceptual sketch of 2 birds by Gould worked up by Richter, but remaining rough