YANELLUS. 



209 



Secondaries almost entirely 

 black ; wing - coverts 

 bronzed with purple and 

 green. 



KEY TO THE SPECIES. 

 A. — With small hind toe. 



f chilensis .... 



No spurs 



cayennensis. 

 cristatus • • 

 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. 



B. — With no hind toe. 



Primary - coverts mostlv ) , 



• | coronatus • • • 



white. 



No white on wing-coverts . 



Black shoulders 



melanopterus 



Wing-coverts bronzed with 1 resplendenSi 

 purple. i 



cayanus • 



)■ No spurs. 



f inornatus • • 



speciosus • • • 



ventralis • • • 



spinosus • • • 



> 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 



