MICRASTUR. 2-1 



138. Micrastur "brachypterus. 



Pied Hawk. 



Falco hrachyptevus Temm. PI. Col. pis. 116. 141, 1S22 (Guiana, Brazil, 



Paraguay). 

 JUio'dstur semitorquatus Shai*pe. Cat. B. Brit. Mus. i. p. 75. 1874 ; 



Salvin, Ibis, 1886, p. 75 (Eoraima, 3500 ft.) ; Quelch, Timelii-i (2) vi. 



p. 144, 1892. 

 Micrastur hrachyj)terus Brabourne & Chubb, B. S. Amer. i. p. 64, 



no. 585, 1912. 



Adult male. Upper surf.ace lilack barred with white on the inner 

 webs of the primary and secondary quills; tail black, banded and 

 tipped with white ; under surface and a coUar round the hind- 

 neck white tinged with buff, the feathers showing dark shaft- 

 lines ; under wing-coverts white spotted vrith brown. 



Total length 500 mm., culmen '2^, wing 264, tail 233, tarsus SO, 

 middle toe and claw 57. 



The description of the male is taken from an example collected 

 at Bartica. 



Adult female. Similar to the adult male, ^'ing 277 mm. 



Breeding-season. Unknown in British Guiana. 



Sest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in Britiah Guiana. Bartica (McConnell collection); 

 Mount Roraima, 3500 ft. {\Mntehj). 



Extralimital Range. South America generally from Colombia 

 to South Brazil and Paraguay. 



Habits. Mr. J. J. Quelch (Timehri (2) vi. p. 144) gives the 

 following note : — " The Long-tailed or Collared Harrier-Hawk 

 (^Micrastur semiiorqxiatus) . These birds frequent the wooded dis- 

 tricts, and are to be obtained in the open parts along the creeks 

 and great rivers. They are not commonly met with on the 

 coast." 



139. Micrastur mirandollei. 

 Mirandolle's Hawk. 



Astttr mirandollei Schl. Ned. Tijdschr. i. p. 131. 1863 (Dutch Guiana). 



Micrastur mirandollei Sharpe, Cat. B. Brit. Mus. i. p. 76, 1874 ; Salvin, 

 Ibis, 1886, p. 501 (Carimang Kiver) ; Quelch, Timehri (2) vi. p. 144, 

 1892 ; Brabouine &. Chubb, B. S. Amer. i. p. 64, no. 586, 1912. 



"White-breasted Harrier-Hawk" [Qutlch). 



Adult male. General colour above grov, becoming darker and 



