The Egyptian Book of the dead by P. Le Page Renouf and Edouard Naville

the vignettes make no distinction but that of colour, which is indicative of age rather than of kind. The typical Egyptian Hawk may be identified with the Falco Lanarius, or with the Peregrinus, but naturalists tell us that “the Lanier of Buffon is the perfect state of the male Peregrinus,” and that “the Lanner of Pennant is a young female Peregrine.”