15 



Thighs white, barred with orange tawny. 



Breast broAvn with white spots, rest of under 

 parts barred with orange tawaiy and white ; 

 upper tail-coverts white, barred with reddish. 



Thighs rufous. 



Below dark brown, with a wliite band, marked 

 with brown, across breast ; upper tail-coverts 

 white, tinged with grey and rufous. 

 Below brown, streaked with white ; upper tail- 

 coverts rufous, tipped with white. 



C. cinereus. 



C. cerugi- 

 nosus. 



C. 



ranivonis. 



Gen. XIX. MICRASTUR Gray (1841). 



Nostrils round, ^vith a bony excrescence ; tarsus 

 reticulated behind. 



49. 



50. 



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



blackish ; tail with 3 white bands ; below 



pale ochraceous fawn, as well as sides of face 



and nuchal collar. 



Micrastiir 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. 

 Micrastnr mirandollei (Schl.) Nederl.Tijdschr., 

 i., p. 131(1863). 

 Mirandolle's Harrier-Hawk. 



From S. 

 Mexico 

 through 

 Central 

 Amer. and 

 Colombia to 

 Brazil and 

 Paraguay. 



Upper E. 

 Peru, Guiana 

 Panama. 



51. 



Size small, length (5) 13 in. ; wing 6.9. Above 

 slate ; tail with 3 grejash white bands ; 

 below greyish white, barred \vith greyish 

 black ; throat white, fore -neck rufous. 

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

 X., p. 322 (1817). 

 Red-necked Harrier-Hawk . 



E. South 



America, 



Venezuela, 



Guiana, 



Central 



Brazil, 



Paraguay. 



