EditorialCrimson topaz varied with white, Topaza pella (Trochilus pella). Handcoloured steel engraving by William Lizars from Sir William Jardine's Naturalist's Library: Ornithology: Hummingbirds Volume 2, Edinburgh, W.H. Lizars, 1833.
EditorialFiery topaz, Topaza pyra, with young in nest. Handcoloured steel engraving from W.C.L. Martin's A General History of Humming-birds or the Trochilidae, Bohn, London, 1852.