VANELLUS. 



209 



KEY TO THE SPECIES. 



A.— With small hind toe. 



chilensis .... 



Secondaries almost entirely 

 black ; wing - coverts 



bronzed with purple and 1 cayennensis. 



green. j 



y cristatus • 



No spurs 



gregarius • • 



leucurus • • 



. crassirostris. 



Sides of neck lavender-grey. 



Broad dark band across central 

 tail-feathers, obsolete or 

 nearly so on outer ones. 



All the tail-feathers white. 



Primary - coverts mostly ) 

 white. J 



B. — With no hind toe. 



coronatus .... 

 melanopterus . . > No spurs. 



No white on wing-coverts 



Black shoulders . 



r inornatus • • 



speciosus • • 



ventralis • • 



spinosus • • 



Wing-coverts bronzed with 1 j-esplendens. 

 purple. J 



cayanus ■ 



• '] 



> Dark legs. 



Outermost secondaries white 

 with narrow black tips. 



All these characters apply to young as well as to adults, except perhaps the spurs. 

 The key is, however, complete without them. 



2e 



