23 



The same, but with distinct transverse 

 spots of dusky cinereous on upper tail- 

 coverts. 



*46. Circus melanoleucus (Forst.), Indisch. Zool., 

 p. 12, pi. ii. (1781). [Ceylon.] 

 Pied Harrier. 



Wing S 340-365, ? 360-380 mm. ; throat 

 and chest black ; upper tail-coverts barred 

 with black. 



E. Siberia, 

 MongoUa, E. & 

 S. India, Burma 

 Malay Pen., 

 Borneo, Philip- 

 pines (winter). 



*47. 



Circus hiiffoni (Gmel.), S.N., i. 

 (1788). [ex. Latham — Cayenne.'] 

 Long-winged Harrier. 



277 



Wing ad. 430 mm. ; throat and chest 



E. side of 

 S. America, 

 from Magellan 

 Str. to Brit. 

 Guiana and 



black ; upper tail-coverts white with Venezuela ; 

 remains of rufous bars. Trinidad. 



b. Thighs black. 



48. Circus maurus (Temm.), PI. Col., i., pi. 461 

 (1828). [Colonic du Cap du Bonne- Espe- 

 rance.] 

 Black Harrier. 



Wing'^ 342, ? 380 mm. ; throat and chest 

 brownish black ; upper tail-coverts white, 

 the lower ones spotted with black. 



S. Africa. 



Females (usually much different from males). 



A. Above brown. 



a. Thighs white. 



Below white, striped with dark brown ; C. melanoleucus, 



upper tail-coverts white, barred with dark 



brown. 



