Note 58 — Family FALCONIDÆ.—The Falcons. (continued 2)
Reading edition
Falco (Æsalon) lithofalco, var. lithofalco (Gmelin). Accipiter lithofalco, Briss. Orn. I, 1760, 349. Falco lithofalco, Gmel. S. N. 1789, 278. Æsalon lithofalco, Kaup. Ueb. Falk. Mus. Senck. 258. Falco regulus, Gmel. S. N. 1798, 285. Accipiter æsalon, Briss. Orn. I, 1760, 382. Falco æsalon, Gmelin, S. N. 1789, 284.—Yarrell, Hist. Brit. B., ed. 1871, 74. Hypotriorchis æsalon, Gray, Gen. 1844, Sp. 10. Falco intermixtus, Daud. Tr. Orn. II, 1800, 141. Falco emerillus, Savigny, Descr. Egypt, Pt. I, 1809, 100. Falco sibiricus, Shaw, Zoöl. VII, 1812, 207. Falco cæsius, Meyer, Tasch. deutsch. Vög. I, 1810. Falco subæsalon, Brehm, Vög. Deutsch. I, 1831, 67.
Hab. Europe and Western Asia; Iceland.
List of Specimens examined.—National Museum, 8; Boston Society, 4; Cambridge Museum, 3; New York Museum, 2; Philadelphia Academy, 3. Total, 20.
Measurements.—♂. Wing, 7.60–8.00; tail, 5.10–5.30; culmen, .45–.50; tarsus, 1.35–1.45; middle toe, 1.15: specimens, 10. ♀. Wing, 8.60–9.00; tail, 6.00–6.30; culmen, .52–.55; tarsus, 1.45–1.47; middle toe, 1.20–1.25: specimens, 10.