A monograph of the Trochilid, or family of humming-birds /.London :Printed by Taylor and Francis ;1861 [i.e. 1849-1861].biodiversitylibrary.org/page/34842867Crimson Topaz, native 2 South America, may be 2nd largest hummingbird species. See their spectacular beauty in #bhlib biodiversitylibrary.org/page/34842867
