ACCIP1TRES — FALCONIDjE — FALCO. 
13 
(EXTRA-LIMITAL) 
Genus Elantjs, Savigny. Bill short, with an obtuse lobe, cleft behind the eyes. Tarsus very short, 
feathered on one half its length, covered on the remainder with small rounded scales. Toes 
short, cleft to the base. Wings long and pointed; second primary longest. 
E. leucurus, Bonap. {E. dispar of Avd. B. of A. Vol. 1, p. 70, pi. 16.) Bluish grey; wing-coverts 
black. Tail emarginate. Length, 16 inches. Southern States. 
Genus Ictinia, Vieillot. Bill angularly lobed on its upper mandible; lower distinctly notched. 
Cere glabrous. Tarsus scutellate in front. Outer toe connected at base by a membrane. 
Third primary longest. 
I. plumbea. (Aud. Ib. Vol. 1, p. 73, pi. 17.) Dark slate; head, neck and beneath lighter; tail black 
and long. Length, 14 inches. Southern States. 
GENUS FALCO. Linnaeus. 
Bill stout and short, arched from the base. Cere short, bare. Upper mandible with a 
festoon and a prominent angular process. Nostrils round, with an internal ridge ending in 
a central tubercle. Tarsi moderate, reticulate : toes long, scutellate ; the exterior webbed 
at the base. Second primary longest; first and third nearly equal. 
THE DUCK HAWK. 
Falco anatum. 
PLATE III. FIG. 8 (Old male). 
(STATE COLLECTION.) 
Great-footed Hawk. Wils. Orn. Vol. 9, p. 120t 
The Wandering Falcon. Nuttall, Manual, Vol. 1, p. 53. Richardson, F. B. A. Vol. 2, p. 23. 
Falco peregrinus. Aud. B. of A. Vol. 1, p. 84, pi. 20 (male and female). 
F . anatum . Bonap. Comparative List, p. 4. 
F. peregrinus. Giraud, Birds of Long Island, p. 14. 
Characteristics. Brownish black ; beneath black, transversely barred with blackish brown. 
Cheeks with a dilated black spot. Middle toe as long as the tarsus. 
Length, 19 inches. 
Description. Lower mandible truncated at tip. Nostrils round, with a central point. 
Inner web of the first primary abruptly cut out near the tip. Eyebrows very prominent. 
Toes very robust; middle toe as long as the tarsus : the claw of the hind toe largest. 
