A two-barred crossbill finch (Loxia leucoptera) in first plumage
and an adult male Cassin's bullfinch (Pyrrhula cassini) in:
"Contributions to the Natural History of Alaska", No. II, 1886, by L. M. Turner.
Call number QH105 .A4 U5 1886.
Image ID: libr0814, Treasures of the NOAA Library Collection
