Biatas nigropectus Charles Germain Becquet (1818-1884) or Louis Lubin Becquet (1819-??)
Charles Germain Becquet (1818-1884) or Louis Lubin Becquet (1819-??)
<a rel="nofollow" class="external text" href="https://www.biodiversitylibrary.org/item/19598#page/109/mode/1up">here</a>