KEY TO FAMILIES. — LAND BIRDS. 



Hli 



Part 2. First primary, more than half as long as third. 





Toes, four, hiiul toe; not elevated above the rest; nostril, oi)euin.i;- into a soft fleshy inoin- 

 braue; tarsus, usually shorter than the toes. 



Family COLUflBID/E. Pigeons and Doves. 

 See page 155. 



Toes, four, the hind toe elevated al)Ove the rest; hill, rather short and stout; wing, short 

 and somewhat rounded, the outer primaries curved. 



Family TETRAONID/C. Grouse and Quail. 



(a) Tarsus feathered; wing, over 5.50 inches long. 



Subfamily TETRAONIN/E. Grouse. 



(6) Tarsus, bare ; wing, less than 5.50 inches long. 



Subfamily PERDICIN/C. Partridges. Quail. 



See iiagel4".l. 



Feet, small and weak ; front toes, sometimes webbed at base ; primaries, ten ; mouth, large ; 

 bill, very >;mall, in comparison with size of bird; middle toe nail, with comWike edge. 



Family CAPRIMULQID/E. Whippoorwills, Night=hawks, etc. 



See page I'.iS. 



