72. POLIOHIERAX. 369 



4. Microhierax erythrogenys. 



Hierax erythroffenys, Vif/ors, P. Z. S. 1831, p. 90 ; Bli/(Ii, J. A. S. S. 



XI. pt. 2, p. 789(1842); Gray, Gen. B. i. p. 21 (1844); Fraser, 



Zool. Tt/p. pi. 31 (1849) ; Kaiip, Contr. Oni. 1850, p. 52 ; Strickl. 



Oni. S,'/>i. p. 102 (1855); Grai/, Iland.-l. B. i. p. 24 (18G9). 

 Falco sericeus, KM. Kupf. Vog!^. 4, pi. iii. fig. 3 (1832) ; id. M6n. 



Acad. Sf. Pefersb. ii. p. 1, tab. 1 (1835) ; Schl. Mus. P.-B. Falc. 



p. 34 (1862}. 

 Falco Gironrneri, Eydoux et Sotdey. Voy. Bonife, Zool. i. p. 71, pi. 1 



(1841). 

 Hierax sericeus, Gray, Gen. B. i. p. 21 (1844) ; Bp. Rev. et Mag. de 



Zool. 1854, p. 536 ■; Strickl. Orn. Syn. p. 104 (1855); Pelz. Verh. 



z.-b. Wien, xiii. p. 630 (1863) ; Wall. Ibis, 1868, p. 6 ; Gray, Hand-l. 



B. i. p. 24 (1869). 



Adult. Above glossy greeuisli black, primaries pure black ; cheeks, 

 ear-coverts, sides of the neck, and entire under surface silky white, 

 the sides of the body, flanks, and thighs, as well as the lower under 

 tail-coverts greenish black ; bill shiny black ; cere, orbits, and feet 

 black ; iris dark brown. Total length 6-5 inches, culmen 0-5, wing 

 4-4, tail 2-7, tarsus 0-85. 



Young (II. erythrogenys). Similar to tlie adult, but having a tinge 

 of bright ochre on the ear-coverts ; beak yellowish, inclining to 

 horn-blue at the point. 



Hah. Philippine Islands. 



a. Juv. St. Manilla. H. Lindsay, Esq. [C.]. Tvpe of species. 



h. Ad. St. Manilla. .1. Gould, Esq. [P.]. 



c. Ad. sk. Philippine Islands. 



d*. Ad. St. Philippine Islands. — Fortune, Esq. [0.1. 



e. Ad. St. Hugh Cuming, Esq. [C.]. 



72. POLIOHIERAX. rp^^ 



Polihierax, Kaup, Isis, 1847, p. 47 P. semitorquatus. 



Leg of Pnliohiera.v semitorquatus. 



Range. N.E. Africa ; S.E. Africa ; Burmah. 



* This specimen is registered as from Northern China [r/. Cat. Accipitr. 1848, 

 p. 63], where, liowever, the species is not known at all. It is most probable 

 VOL. I. 2 c 



