10 THE DUCK HAWK— PEREGRINE. 



meet and become mixed in irregular patches of various sizes, from mere dots to 

 blotclies." 



Sp. Char. — Adull — Frontal band white. Entire upper parts bluish cinereous, witli trans- 

 verse bands of brownish-black, lighter on the rump. Upper parts yellowish-white, with cordate 

 and circular spots of black on the breast and abdomen, and transvc-rsc- bands of black on the sides, 

 under tail coverts, and tibiiX- ; quills and tail brownish-black, the latter with transverse bars of pale 

 cinereous. Cheeks with a patch of black ; bill light blue ; legs and toes yellow. Iris yellow. 

 Sexes alike. 



YoiDigfr. — Entire upper parts brownish-black, frontal spot obscure, large space on the 

 cheeks black. Under parts dull yellovvish-wliite, darker than in adult, and with longiludinal 

 stripes of brownish-black ; tarsi and toes bluish lead-color. Iris yellow. Total length, i8 to 20 ; , 

 wing, 14 to 15 ; tail, 7 to 8 in. 



