. . "Trochilidae (Apodiformes)" . . "Colibris." . . "Hummingbirds." . . . . "Family of humming-birds" . . . "Introduction to the trochilidae or family of humming-birds" . . . . . . . "An introduction to the Trochilidae : or family of humming-birds"@en . "An introduction to the Trochilidae, or family of humming-birds"@en . "An introduction to the Trochilidae, or family of humming-birds" . . . . . . . . "An introduction to the Trochilidae or family of humming-birds"@en . "An introduction to the Trochilidae or family of humming-birds" . "An introduction to the trochilidae or Family of humming-birds" . . "Records and correspondence"@en . . . . . .