. The birds of British Guiana : based on the collection of Frederick Vavasour McConnell ... . gk (Reis. Guian. iii. p. 735)this bird is very rare in British Guiana. lie only secured onej[)eciinen. The other individuals that he observed had the samehabits as those of Falco aurantins. The male and female, as arule, sat beside each other, and if the one flew away the otherimmediately followed. The Macusis and the Arekunas call it Koniotoh-ivitici. Mr. J. J. Quelch CTimehri (2) vi. p. 140) remarks on thisspecies as follows :— The Yellow-faced Kite {GamjJsonT/x swain-soni). This little kite is not


. The birds of British Guiana : based on the collection of Frederick Vavasour McConnell ... . gk (Reis. Guian. iii. p. 735)this bird is very rare in British Guiana. lie only secured onej[)eciinen. The other individuals that he observed had the samehabits as those of Falco aurantins. The male and female, as arule, sat beside each other, and if the one flew away the otherimmediately followed. The Macusis and the Arekunas call it Koniotoh-ivitici. Mr. J. J. Quelch CTimehri (2) vi. p. 140) remarks on thisspecies as follows :— The Yellow-faced Kite {GamjJsonT/x swain-soni). This little kite is not a coast species. It is to be found inthe higher lands of the interior, where it frequents the forest,chiefly on the margins of the open savannahs. Genus HARPAGUS Vig. Ilarpagus Vigors, Zool. Jouni. i. p. 3^38, 1821. Tvpe H. hiJeittalus(Lath.). Tliis genus belongs to the section of the Falcons which have twodistinct teeth on the upper mandible, as will be seen by the text-ligurc, and a distinct central tubercle in the nostril. Tlie wings,when closed, do not reacli to the end of the Fig. oL—To show tilt two teeth hi tlie upper luaiKlible. HAKPAGUS. 273 172. Harpagus bidentatus. Double-toothed Hawk. Falco hidentatus Lath. Incl. Om. i. ji. 38, 1790 (Cayenne). Harpagus hidentattis Cab. in Schomb. Reis. Gruian. iii. p. 73-1, 1848;Sharpe, Cat. B. Brit. Mus. i. p. 362, 1874 (Demerara) ; Salvin, Ibis,1886, p. 77 (Bartica Grove); Quelcb, Timehri (2) v. pp. 104, 105,1891 (Greorgetown) ; id. op. cit. vi. p. 127, 1892 ; Brabourne &Chubb, B. S. Amer. i. p. 72, no. 664, 1912. Cuckoo-Falcon [Qaelcli). Adult male. Crown o£ head, sides of face, wings, back, and uppertail-coverts slate-grey, the lesser wing-coverts, bastard-wing, andprimary-coverts darker and inclining to blackish, the primary andsecondary quills have dark bands and notched with white on theinner webs ; the scapulars are barred with white and have twinwhite spots towards the tips ; the lateral upper tail-coverts have


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