[31.] Pennant, “British Zoology.”
[32.] Yarrell, “History of British Birds.”
[33.] “Rural Sports,” vol. i. p. 246.
[34.] “Dissertations,” vol. i. p. 173.
[35.] See Pennant’s “Arctic Zoology,” ii. p. 195; Sir J. Malcolm’s “Sketches of Persia;” Johnston’s “Sketches of Indian Field Sports;” Atkinson’s “Travels in Oriental and Western Siberia,” and Burton’s “Falconry in the Valley of the Indus.”
[36.] Folio, 1676. Part ii. p. 169.
[37.] “Memoirs of Stephen Grellet,” i. p. 459.
[38.] See “The Naturalist” for May, 1837.
[39.] “Tour in Sutherland,” vol. i. p. 113.
[40.] “The Great Sahara,” p. 392.