FRINGILLIDJE. 385 



wi'. Tcrtials ecarcclj-, if at all, longer than secondaries, 

 and much shorter than longest primaries. 

 h'. Outer tail-feather largely (sometimes wholly) 



white Junco. (Page 422.) 



?i'. Outer tail-feather with little or no white. 



o'. Lower mandible much deeper than upper; 

 adult males very brightly colored, with 

 more or less of blue in plumage. 



Passerina. (Pago 44G.) 

 o'. Lower mandible not deeper than upper; 

 adult males not brightly colored, and 

 without anj- blue in plumage. 

 ^'. Tail plain blackish or dusky, with or 

 without whitish edging to outer feath- 

 ers Amphispiza. (Page 425.) 



^'. Tail brownish, grayish, or olive-green- 

 ish, usually without markings. 

 q^. Tail olive-green ; first quill much 

 shorter than secondaries. 



Arremonops.' (Page 434.) 

 q'. Tail brownish or grayish ; first quill 

 not shorter than secondaries. 

 r'. Primaries exceeding secondaries 

 by more than length of ex- 

 posed culmen ; distance be- 

 tween tip of outer and mid- 

 dle (or longest) tail-feathers 

 much less than length of 

 hind-toe, without claw, 

 s*. Tail more or less rounded, 

 the middle feathers 

 longest, or equal to 

 longest ; wing 3.00, or 



more Zonotrichia. 



(Page 414.) 

 s'. Tail emarginate or double- 

 rounded, the middle 

 feathers shorter than 

 the longest ; wing less 

 than 3.00. 



Spizella. (Page 417.) 



r*. Primaries exccedingsecondaries 



by not more than length of 



exposed culmen ; distance 



' New geous. Type, Embemagra rufivirgala Lawr. 

 49 



