by William Swainson, Zoological Illustrations — Vol I. Pl… (1820)
“ His description, though in the quaint style of the day, is clear and comprehensive; and his figure strengthens it, both being made from the living bird. Yet Dr. Latham has quite overlooked it as a variety of another species; and Dr. Shaw, although he copies Edwards's account, gives references which belong to other birds. It is not in the costly work of Le Vaillant, and indeed seems (from its excessive rarity) to have escaped the notice of all modern ornithologists. The perfect bill of the bird is, however, in my possession, minutely agreeing with Edwards's account ”
