Keywords: MonographTrochi4Goul 0170.jpg Heliangelus strophianus Gould John A monograph of the Trochilidae or family of humming-birds http //archive org/details/monographTrochi4Goul Volume 4 1861 1861 Creator John Gould Creator Henry Constantine Richter PD-old-100 Henry Richter A Monograph of the Trochilidae Volume 4 Heliangelus strophianus |