15 



Thighs white, barred with orange tawny. 



Breast brown with white spots, rest of under C. cinereus. 

 parts barred with orange tawny and white ; 

 upper tail-coverts white, barred with reddish. 



Thighs rufous. 



Below dark brown, with a white band, marked C. cerugi- 

 with brown, across breast ; upper tail-coverts nosus. 

 white, tinged with grey and rufous. 



Below brown, streaked with white ; upper tail- C. ranivorus. 

 coverts rufous, tipped with white. 



Gen. XIX. MICRASTUR Gray (1841). 



Nostrils round, with a bony excrescence ; tarsus 

 reticulated behind. 



Size large, length 20 in., wing 10.4 ; above 

 blackish ; tail with 3 white bands ; below 

 pale ochraceous fawn, as well as sides of face 

 and nuchal collar. 

 49. Micrastur brachypterus (Temm.), PI. Col., pis. 

 116 (juv.), 141 (ad.), (1822). 

 Collared Harrier-Hawk 



Size medium, length ($) 17.5 ; wing 9.8 ; 

 above slate ; tail with 3 bands of ashy brown ; 

 below whitish ; no nuchal collar. 



50. Micrastur mirandollei (Schl.), Nederl. Tijdschr., 

 i., p. 131(1863). 



Mirandolle's Harrier-Hawk. 



Size small, length (.^) 13 in, ; wing 6.9. Above 

 slate ; tail with 3 greyish white bands ; 

 below greyish white, barred with greyish 

 black ; throat white, fore-neck rufous. 



51. Micrastur ruficollis ruficollis (Vieill.), N Diet., 

 X., p. 322 (1817). 



Red-necked Harrier-Hawk . 



From S. 

 Mexico 

 through 

 Central 

 Amer. and 

 Colombia to 

 Brazil and 

 Paraguay. 



Upper E. 

 Peru, Guiana 

 Panama. 



E. South 



America, 



Venezuela, 



Guiana, 



Central 



Brazil, 



Paraguay. 



