ROSTRHAMUS. CHONDROHIERAX. 2G7 



insects, or splnshing themselves — breast, wings, and tall — Avith 

 the water itself, while uttering low and peculiar shriek-like cries. 

 If at such times this bird is disturbed, it will M'heel backwards 

 and forwards in the dull light, close over the surface of the watei-, 

 eventually to settle down on the saiue perches or on closely 

 adjacent trees As a rule, this bird is extremely fat and fleshy, 

 and by many of the negroes is esteemed as food — attempts 

 being made, in my experience, by individual boatmen to obtain 

 it, even when there was an abundance of other fresh meat 

 available/^ 



Genus CHONDROHIEEAX Lesson. 



Cliondrohierax Lesson, Echo du Monde Savant, 18-13. p. Gl. Type 

 C. uncinaius (Tenuu.). 



Leptodon is preoccupied, consequently we have to use Cliondro- 

 hiera.v. 



In this genus the tail is rounded, the outer feather being the 

 shortest and the loral space bare. 



Kei/ to tJte Specie's, 



A. Smaller, wing less than 300 mm. ; sexes 



different; under surface grey bari'ed Avith 

 Avhite d , under surface white barred 

 with chestnut 2 C- uncinafus, p. 207. 



B. Larger, Aving more than 300 mm. ; sexes 



alike ; under surface uniform dull Avhite 



with a tinge of grey C. pallia f lis, p. 2GS. 



1C8. Chondroliierax uncinatus. 



Eed-collared Kite. 



Faico uncinatus Temm. PL Col. i. pis. 103-105, 1S2-1 (Rio Janeiro). 

 liegerhinns uncinatus Cab. in Schomb. Hois. Guian. iii. p. 736, 1848. 

 Leptodon uncinatus Sharpe, Cat. B. Brit. Mus. i. p. 330, 1874 (Demerara) ; 



Salvin, Ibis, 188(3, p. 77 (Camacusa) ; Quelcb, Tiniehri (2) vi. 



p. 138, 1802 (habits; ; Brabourne ct Chubb, B. S. Amor. i. [>. 71. 



no. GoS, 1912. 



"Tooth-billed Kito "' (QuelcJi). 



Adrdt female. Sides of face and fore part of head slate-groy, 

 becoming darker on tlie nape, A\diere the l)ascs of llie feathers aro 



