. A manual of the ornithology of the United States and of Canada : the land birds . smaller and middle wing-coverts black ; primaries slate primary a little shorter than the 3d ; the 2d longest. The closedwings attain within an inch to the tip of the tail; the latter being 7inches long, slightly notched, and with the outer feather more thanhalf an inch shorter than the adjoining one ; the middle feathers palebluish-slate, all the rest pure white. Legs and feet orange-yellow ;tarsus covered with small reticulated scales ; toes all separated to thebase ; the nails, except the middle on
. A manual of the ornithology of the United States and of Canada : the land birds . smaller and middle wing-coverts black ; primaries slate primary a little shorter than the 3d ; the 2d longest. The closedwings attain within an inch to the tip of the tail; the latter being 7inches long, slightly notched, and with the outer feather more thanhalf an inch shorter than the adjoining one ; the middle feathers palebluish-slate, all the rest pure white. Legs and feet orange-yellow ;tarsus covered with small reticulated scales ; toes all separated to thebase ; the nails, except the middle one, rounded beneath. Bill black;cere orange-yellow and bristly. Iris brownish red.—The male, smallerand somewhat darker, tinged with ferruginous. NAUCLERUS. (Vigors.) SWALLOW-TAILEDHAWK. The bill rather short, weak, compressed ; nostrils oval,situated in the cere, hairy at base, oblique. Wings long ;2d and 3d quill very long; tail long, deeply forked. Feetshort, weak ; tarsus reticulated; nails nearly cylindric.—There are 2 species in this genus, one of which SWALLOW-TAILED HAWK. (Nauclerus furcatus, Vigors. Bonap. p. 4. Aud. pi. 72. Faho fmea-tus, Lin. Wilsox, Am. Orn. vi. p. 70. pi. 51. fig. 2. [adult male].Philad. Museum, No. 142.) Spec. Charact. — White ; back, wings, and tail black, with greenishand purple reflections ; tail deeply forked. This beautiful Kite breeds and passes the summer inthe warmer parts of the United States, and is also proba-bly resident in all tropical and temperate America, mi-grating into the southern as well as the northern hemis-phere. In the former, according to Viellot, it is found inPeru, and as far as Buenos Ayres; and though it is ex-tremely rare to meet with this species as far as the latitudeof 40 degees in the Atlantic states; yet tempted by the9 98 BIRDS OF PREY. abundance of the fruitful valley of the Mississippi, indi-viduals have been seen along that river as far as the Fallsof St. Anthony, in the 44th degree of
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