A monograph of the Trochilid, or family of humming-birds /.London :Printed by Taylor and Francis ;1861 [i.e. 1849-1861].biodiversitylibrary.org/page/35246353
Description: English: Mexican Sheartail (Doricha eliza). Fairly grim record shot of a female of the species. Described by Howell as "unmistakable in range; note long, arched bill". Date: 21 February 2009. Source: https://www.flickr.com/photos/merula/3325853723/. Author: Alastair Rae.