80 FALCONIDJE. 



more ashy ; sides efface and of ueck and entire throat ashy brown ; 

 wings uniform with the back ; primaries a Httle darker brown, the 

 secondaries barred with white on the inner web, as also are the 

 primaries near the base ; upper tail-coverts ashy brown with white 

 cross bars ; tail blackish, narrowly tipped with white and crossed 

 with three narrow white bands ; entire under surface of body thickly 

 barred with black and white, including the under wing- and taH- 

 coverts. Total length 16 inches, culmen l-Oo, wing 7-1; tail 7*1, 

 tarsus 2-35. {Mus. Berol.) 



Hab. New Granada and Venezuela. 



7. Micrastur castanilius. 



Accipiter castanilius, Bp. Rev. Zool. 1853, p. 578 ; Scl. P. Z. S. 1866, 



p. 304 ; Scl. ^- Salv. E.v. Om. pi. xviii. (1867). 

 Micrastiu: eai?tanilius, Grai/, Hand-l. B. i. p. 31 (18C9). 

 Nisus castanilius, Giebel, ''Hies. Om. p. 263 (1872). 



Adult. Above slate-colour, the head lighter and more slaty blue, 

 the ear-coverts and cheeks uniform with the crown ; throat white, 

 shghtly varied with ashy cross bars ; centre of the body banded 

 alternately with white and bright chestnut, some of the bars of the 

 latter also margined with ashy grey ; entire sides of the body, in- 

 cluding the flanks and thighs, bright chestnut ; lower abdomen and 

 under wing- and tail-coverts white, with a few indistinct bars of 

 ashy; quills brown, barred above with darker brown, the under 

 surface white near the base, ashy towards the tips, against which the 

 cross bars show plainly ; taU brown, obscurely crossed with three 

 bands of blackish brown, tipped with white and largely spotted with 

 white on the inner web, forming two ill-defined bars, a little more 

 indistinct on the under surface, which is altogether Hghter ; bill 

 black ; feet yellow, claws horn-brown. Total length 11 inches, 

 culmen 0-85, wing 6"1, tail 5"5, tarsus 2"1. 



JIab. New Granada. 

 a. Ad. st. S. America. Purchased. 



18. GERANOSPIZIAS. 



Ischnosceles, StricJil. Ann. N. H. xiii. p. 409 (1844, nee '^^■ 



Brirm.) G. caerulescens. 



Geranospiza, Kaup, Ids, 1847, p. 183 G. cserulescens. 



Geranopus, Kauji, Contr. Om. 1850, p. 65 G. caerulescens. 



Geranospizias, Siindev. Av. Tent. p. 107 (1873) G. cserulescens. 



Range. Throughout Central America from Southern Mexico to 

 Panama, and in South America occurring in Ecuador, Guiana, and 

 Amazonia westwards to about 70° W. long., and throughout Southern 

 Brazil into Bolivia. 



Key to the Species. 



a. General colour slaty blue, with a few white cross 



bars below cmndescens, p. 81. 



b. Slaty black, almost entirely uniform niger, p. 82. 



