13 



Throat and chest creamy buff, the latter 

 streaked with brown ; upper tail-coverts white. 

 41. Circus ceruginosus ceruginosus (Linn.), S.N., i., 

 p. 91 (1758). 

 Marsh Harrier. 



Europe, rare 

 in Siberia, but 

 in winter to 

 India, China, 

 Japan and 

 Philippines, 

 also Africa. 



N. Africa. 



Much brighter coloration, more black and 

 white : (Slighter). 

 41a. Circus ceruginosus harterti, Zedl., J.f.O., 1914, 

 p. 133. 

 Hartert's Harrier. 



C. Above black or blackish. 



a. Thighs white. 



Throat and chest white, streaked with black ; 

 upper and under tail -coverts white. 



42. Circus maillardi Verr. in MailL, I'lle de la Reunion Is., 

 Reun., ii., p. 12 (1863). Comoro Is. 

 Maillard's Harrier. 



Markings on throat and chest browner and 

 broader ; under tail-coverts also streaked. 



43. Circiis wolfi Gurney, P.Z.S., 1865, p. 823, pi.. New Cali- 

 xliv. fornia, New 

 Wolf's Harrier. Hebrides. 



Throat and chest white, streaked with black ; 

 upper tail-coverts white with remains of ashy 

 brown bars. 

 44. Circus spilonotus Kaup, Contr. Orn., 1850, 

 p. 59. 

 Eastern Marsh Harrier. 



The same, but with distinct transverse spots 

 of dusky cinereous on upper tail-coverts. 

 45. Circus spilothorax Salvad. and d'Alb., Ann. 

 Mus. Civ. Genov., vii., p. 807 (1875). 

 New Guinea Harrier 



E. Siberia, 



in winter to 



E. China, 



Indo-Burman 



countries, 



Malay 



Archipelago, 



S.E. New 

 Guinea. 



