^ALCONIDJE. 



41 



GENUS XXV.— ICTINIA, Vieillot. 



Rostrum breve; mandibula 



superior subdentata, irife- 



rior emarginata. 

 Tarsi breves, debiles ; aero- 



tarsia scutellata. 

 Aloe longae; remex tertia 



longissima. 



- r Sp. 1 . Ic. plumbea. 



" Falco plumbeus. Shaw, v. vii. p. 196 

 Lath. Gen. Hist. v. xii.— Cayenne. 



Beak short ; the upper man- 

 dible somewhat dentate, the 

 under emarginate. 



Tarsi short, weak ; acrotarsia 

 scutellated. 



Wings long ; the third quill 

 longest. 



Temm.Pl. Col. 180. 



GENUS XXVI— CIRCUS Auctorum. HARRIER. 



Hostrum mediocre ; nares 



subovales. 

 Tarsi elongati ; acrotarsia 



scutellata. 

 Digiti plerumque breves. 

 Remex tertia longissima. 

 Capitis latera plumarum cir- 



culo instructa, disco capi- 



tali Strigium persimili. 



Beak mediocral ; nostrils 



somewhat oval. 

 Tarsi elongated ; acrotarsia 



scutellated. 

 Toes generally short. 

 Third quill longest. 

 Sides of the head furnished 



with a circle of feathers 



resembling that of the 



Owls. 



Sp. 1. Ci. ffiruginosus. 



Falco seruginosus. Shatv, v. vii. p. 116. — Falco rufus. Shatv, 

 v. vii. p. 113 and 150. — Britain and Europe. 

 Sp. 2. Ci. pygargus. 



Falco Cyaneus. Skaw, v. vii. p. 163, — Falco montanus. Shaw, 

 v. vii. p. 183. — Britain and Europe. 



Sp. 3. C. cinerascens. 



Ci. fusco-cinereus subtus albidus, rachidibus pennarum spadiceis, 

 remigibus secundariisjasciis tribus nigricantibics. 



