BIRDS OF NORTH AND MIDDLE AMERICA 



389 



inner webs of five outer primaries rather distinctly sinuated. Tail 

 more than half (but less than three-fifths) as long as wing, its tip 

 truncate, or very slightly rounded. Tarsus less than one-fourth as 

 long as wing to much more than one-fourth as long as wing and more 

 than half as long as tail, both acrotarsium and planta tarsi with a 



Figure 25. — Hyponwrphnus urubiiinga. 



continuous single series of broad transverse scutella, less than the 

 upper fourth of the acrotarsium feathered; middle toe less to much 

 less than half as long as tarsus; outer toe extending nearly if not quite 

 to distal end of third phalanx of middle toe, the inner to nearly the 

 same point; hallux decidedly shorter than mner toe, its claw longer 

 than the digit ; claws moderate in size and curvature, broadly grooved 



